The mountain ranges were natural barriers to invading forces and stopped people from coing into india.
It was Burgoyne's over confidence and there were to many several key tactical errors.
I left 2 website links under. Check them out.
During Jackson's time, the common white man was giving the right to vote. During reconstruction ( the period after the civil war ) voting could no longer be denied on race or color because of the 15 the amendment, but still only applied to men. Women got the right to vote with the 19th amendment in 1920.
The name of the agreement that took place from 1968 to 1973 wherein negotiations between the USA and Vietnam led to a ceasefire was the Paris Peace Accords. The agreement led to the end of the Vietnam War between the northern communist Vietnam against the southern democratic Vietnam.
D. the harsh winder led to thousands of cherokee deaths