How did trains and steamboats cause big changes in the North of the United
States?

Train and Steamboats changed Not Of United States because it was a new way to transport people and many of they're goods as well!!  

the supreme court can hear any case it wishes as long as four justices agree to hear it.

hope this , give me brainliest answer =j

if you're talking about (ww2) they went bankrupt and their currency was worth nothing

explanation: