Germany had formally surrendered on November 11, 1918, and all nations had agreed to stop fighting while the terms of peace were negotiated. On June 28, 1919, Germany and the Allied Nations (including Britain, France, Italy and Russia) signed the Treaty of Versailles, formally ending the war.
I'd say so. The Articles of Confederation actually gave the states too much individual power to begin with, and that's why they revised it/changed it.
Braceros worked on farms and on railroads, making it possible for the U.S. economy to meet the challenges imposed by the war effort. existed and viewed the Bracero program as a way for the U.S. to obtain cheap labor.
The "Big Three" countries were the United States, Great Britain and Russia. They were called this because they were by far the most important allied players during the war, with Russia and Britain taking on most of the casualties.
The map is pointing to the middle colonies, but the middle colonies consisted of PA, NJ, Delaware etc, but the arrow is specifically on New Jersey so I would assume New Jersey.