B. Interchangeable parts were identical parts that could be exchanged for one another in the manufacture of guns, clocks, and other goods.
The truman doctrine offered aid to any country threatened by communism. SO any government that was liable to turn to communism the truman doctrine aided those countries so that those countries might instead turn to democracy.
<span>The answer is D.
Though blacks were treated equally in the North, the South continued to
be segregated. Despite the abolition of
slavery, blacks were afforded the same opportunities as whites . Many of them were also harassed by mobs of
white raiders in order to keep them from voting as well assert their
superiority over blacks. Blacks couldn’t
sit at the same table as whites nor could they dine at the same restaurants as
whites. It took another hundred years
for blacks to finally be accepted in the South.</span>
I'm sure its.... B) Keeping colonists out of indian lands west of the Appalachian mountains :)
