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War erupts in europe

When a Serbian nationalist murdered the Archduke Franz Ferdinand of the Austro-Hungarian Empire on June 29, 1914, the underlying forces that led to World War I had already long been in motion and seemed, at first, to have little to do with the United States. At the time, the events that pushed Europe from ongoing tensions into war seemed very far away from U.S. interests. For nearly a century, nations had negotiated a series of mutual defense alliance treaties to secure themselves against their imperialistic rivals. Among the largest European powers, the Triple Entente included an alliance of France, Great Britain, and Russia. Opposite them, the Central powers, also known as the Triple Alliance, included Germany, Austria-Hungary, the Ottoman Empire, and initially Italy. A series of “side treaties” likewise entangled the larger European powers to protect several smaller ones should war break out.

At the same time that European nations committed each other to defense pacts, they jockeyed for power over empires overseas and invested heavily in large, modern militaries. Dreams of empire and military supremacy fueled an era of nationalism that was particularly pronounced in the newer nations of Germany and Italy, but also provoked separatist movements among Europeans. The Irish rose up in rebellion against British rule, for example. And in Bosnia’s capital of Sarajevo, Gavrilo Princip and his accomplices assassinated the Austro-Hungarian archduke in their fight for a pan-Slavic nation. Thus, when Serbia failed to accede to Austro-Hungarian demands in the wake of the archduke’s murder, Austria-Hungary declared war on Serbia with the confidence that it had the backing of Germany. This action, in turn, brought Russia into the conflict, due to a treaty in which they had agreed to defend Serbia. Germany followed suit by declaring war on Russia, fearing that Russia and France would seize this opportunity to move on Germany if it did not take the offensive. The eventual German invasion of Belgium drew Great Britain into the war, followed by the attack of the Ottoman Empire on Russia. By the end of August 1914, it seemed as if Europe had dragged the entire world into war.

The Great War was unlike any war that came before it. Whereas in previous European conflicts, troops typically faced each other on open battlefields, World War I saw new military technologies that turned war into a conflict of prolonged trench warfare. Both sides used new artillery, tanks, airplanes, machine guns, barbed wire, and, eventually, poison gas: weapons that strengthened defenses and turned each military offense into barbarous sacrifices of thousands of lives with minimal territorial advances in return. By the end of the war, the total military death toll was ten million, as well as another million civilian deaths attributed to military action, and another six million civilian deaths caused by famine, disease, or other related factors.

One terrifying new piece of technological warfare was the German unterseeboot —an “undersea boat” or U-boat. By early 1915, in an effort to break the British naval blockade of Germany and turn the tide of the war, the Germans dispatched a fleet of these submarines around Great Britain to attack both merchant and military ships. The U-boats acted in direct violation of international law, attacking without warning from beneath the water instead of surfacing and permitting the surrender of civilians or crew. By 1918, German U-boats had sunk nearly five thousand vessels. Of greatest historical note was the attack on the British passenger ship, RMS Lusitania , on its way from New York to Liverpool on May 7, 1915. The German Embassy in the United States had announced that this ship would be subject to attack for its cargo of ammunition: an allegation that later proved accurate. Nonetheless, almost 1,200 civilians died in the attack, including 128 Americans. The attack horrified the world, galvanizing support in England and beyond for the war ( [link] ). This attack, more than any other event, would test President Wilson’s desire to stay out of what had been a largely European conflict.

Questions & Answers

Three charges q_{1}=+3\mu C, q_{2}=+6\mu C and q_{3}=+8\mu C are located at (2,0)m (0,0)m and (0,3) coordinates respectively. Find the magnitude and direction acted upon q_{2} by the two other charges.Draw the correct graphical illustration of the problem above showing the direction of all forces.
Kate Reply
To solve this problem, we need to first find the net force acting on charge q_{2}. The magnitude of the force exerted by q_{1} on q_{2} is given by F=\frac{kq_{1}q_{2}}{r^{2}} where k is the Coulomb constant, q_{1} and q_{2} are the charges of the particles, and r is the distance between them.
Muhammed
What is the direction and net electric force on q_{1}= 5µC located at (0,4)r due to charges q_{2}=7mu located at (0,0)m and q_{3}=3\mu C located at (4,0)m?
Kate Reply
what is the change in momentum of a body?
Eunice Reply
what is a capacitor?
Raymond Reply
Capacitor is a separation of opposite charges using an insulator of very small dimension between them. Capacitor is used for allowing an AC (alternating current) to pass while a DC (direct current) is blocked.
Gautam
A motor travelling at 72km/m on sighting a stop sign applying the breaks such that under constant deaccelerate in the meters of 50 metres what is the magnitude of the accelerate
Maria Reply
please solve
Sharon
8m/s²
Aishat
What is Thermodynamics
Muordit
velocity can be 72 km/h in question. 72 km/h=20 m/s, v^2=2.a.x , 20^2=2.a.50, a=4 m/s^2.
Mehmet
A boat travels due east at a speed of 40meter per seconds across a river flowing due south at 30meter per seconds. what is the resultant speed of the boat
Saheed Reply
50 m/s due south east
Someone
which has a higher temperature, 1cup of boiling water or 1teapot of boiling water which can transfer more heat 1cup of boiling water or 1 teapot of boiling water explain your . answer
Ramon Reply
I believe temperature being an intensive property does not change for any amount of boiling water whereas heat being an extensive property changes with amount/size of the system.
Someone
Scratch that
Someone
temperature for any amount of water to boil at ntp is 100⁰C (it is a state function and and intensive property) and it depends both will give same amount of heat because the surface available for heat transfer is greater in case of the kettle as well as the heat stored in it but if you talk.....
Someone
about the amount of heat stored in the system then in that case since the mass of water in the kettle is greater so more energy is required to raise the temperature b/c more molecules of water are present in the kettle
Someone
definitely of physics
Haryormhidey Reply
how many start and codon
Esrael Reply
what is field
Felix Reply
physics, biology and chemistry this is my Field
ALIYU
field is a region of space under the influence of some physical properties
Collete
what is ogarnic chemistry
WISDOM Reply
determine the slope giving that 3y+ 2x-14=0
WISDOM
Another formula for Acceleration
Belty Reply
a=v/t. a=f/m a
IHUMA
innocent
Adah
pratica A on solution of hydro chloric acid,B is a solution containing 0.5000 mole ofsodium chlorid per dm³,put A in the burret and titrate 20.00 or 25.00cm³ portion of B using melting orange as the indicator. record the deside of your burret tabulate the burret reading and calculate the average volume of acid used?
Nassze Reply
how do lnternal energy measures
Esrael
Two bodies attract each other electrically. Do they both have to be charged? Answer the same question if the bodies repel one another.
JALLAH Reply
No. According to Isac Newtons law. this two bodies maybe you and the wall beside you. Attracting depends on the mass och each body and distance between them.
Dlovan
Are you really asking if two bodies have to be charged to be influenced by Coulombs Law?
Robert
like charges repel while unlike charges atttact
Raymond
What is specific heat capacity
Destiny Reply
Specific heat capacity is a measure of the amount of energy required to raise the temperature of a substance by one degree Celsius (or Kelvin). It is measured in Joules per kilogram per degree Celsius (J/kg°C).
AI-Robot
specific heat capacity is the amount of energy needed to raise the temperature of a substance by one degree Celsius or kelvin
ROKEEB
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Source:  OpenStax, U.s. history. OpenStax CNX. Jan 12, 2015 Download for free at http://legacy.cnx.org/content/col11740/1.3
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