The answer is two and a half years.
The United States watched World War I from afar for two and a half years before entering and declaring a war against Germany on April 6, 1917. Before entering the war, United States was intent on keeping a neutral relationship between countries that are involved in the war.
The improvements made traveling easier and more efficient
Answer:
b or c
Explanation: makes the most since
Answer:
I think D
Explanation:
magna carta and mayflower compact definitely so probably d