Which two groups of government have to work together to create an amendment to the Constitution? (1 point) A state and national
B local and national
C state and federal
D federal and county

i believe your answer is d)

an economic reason that the south needed a reconstruction plan is that plantations, factories, and other businesses were destroyed during the war.

the border between arizona and new mexico is a thin, black line; this indicates a state boundary.

its correct: it's a thin line, and it's a state boundary, correct