Which of these was not a major reason for immigration to america in the late 1800s and early 1900s?

What directive in source a might have been at the root of the action described in source b?

What was the original design for washington’s streets?!

Which statement about submarine use in world war i is true? the allies never found a way to counter german submarine warfare. germany’s use of submarines affected the united states’ decision to enter the war. only the germans used submarines in world war i.