Congress's power to regulate interstate commerce was broadened following A the Vietnam War
B George Washington's decision to only run for two terms as president
C the Supreme Court decision of Marbury v. Madison
D the Supreme Court decision of Gibbons v. Ogden.

I think it D if it not don't report me

the lowest among the social higher rank were the working class. this class remained detached to the political progression   of the country and was hostile to the other two classes

c. free trade can lead to low pay for workers in poorer countries.