This was a form of fighting popular in World War I whereby armies sought cover below ground from machine guns, artillery, etc.  

This international organization’s main purpose was to prevent another world war and maintain peace. The U.S. refused to join and Germany and Russia were not allowed to join.

________________ provided the United States the right to function as an international police power.

Who composed the Allied Powers in World War I?

Why did the War Industries Board establish standardized specifications during World War I?  For example, all shoes had to be black, brown, or white.

Which statement is TRUE about the textile strike in Lawrence, Massachusetts, in 1912?

Hull House, a settlement house designed to aid immigrants, was started by _______.

This 1917 law created a national draft to provide men to fight in World War I.  Most importantly, this act would continue to require all men 18-45 to register for military service.

Suppose A = BC, where A has the dimensions L/T and C has the dimensions T/M. Then B has the dimension:

An electric vehicle starts from rest and accelerates at a rate of 1.5 m/s2 in a straight line until it reaches a speed of 27 m/s. The vehicle then slows at a constant rate of 3 m/s2 until it stops.  How far does the vehicle move from start to stop?