Answer:
critical discussion each of the four areas you have explained above
The Western Front was the main theatre of war during the First World War. Following the outbreak of war in August 1914, the German Army opened the Western Front by invading Luxembourg and Belgium, then gaining military control of important industrial regions in France. The tide of the advance was dramatically turned with the Battle of the Marne. Following the Race to the Sea, both sides dug in along a meandering line of fortified trenches, stretching from the North Sea to the Swiss frontier with France, which changed little except during early 1917 and in 1918.
Mark II with Canadian infantry at Vimy Ridge
Date
4 August 1914 – 11 November 1918
(4 years, 3 months and 1 week)
Location
Belgium, north-eastern France, Alsace-Lorraine, Luxembourg, western Germany
Result
Allied victory
End of World War I
The desire among americans to return to the prewar days
-their brain size increased. This means that they adopted more intelligent traits
-for tools and weapons, they made them more lighter.
-they were the first to create art as hominids
Answer: B ) The arms race
Explanation: The nuclear arms race was an arms race competition for supremacy in nuclear warfare between the United States, the Soviet Union, and their respective allies during the Cold War. During this very period, in addition to the American and Soviet nuclear stockpiles, other countries developed nuclear weapons, though none engaged in warhead production on nearly the same scale as the two superpowers.