Which of these caused the united states to become involved in world war 1 ?
A.) the German invasion of Poland
B.) repeated violation of treaties by Japan
C.) enemy bombing of American military bases
D.) threats of American security made by Germany

What led to the creation of suburbs in the early 1900s

How does nafta affect relations between the united states and canada? a. it bans immigration between the two countries. b. it opens the borders between the two countries. c. it raises taxes on trade between the two countries. d. it allows free trade between the two countries.

What does the country say concerning the status of free blacks living in the united states? a) they have the same rights as any other "free" people, and are full citizens. b) they have the same rights as any other "free" people, but are not properly citizens. c) they are citizens, but don't have the full rights granted to other citizens. d) they are not citizens, and have no right to petition the court.