The physical feature that makes up part of the border between Canada and the United States is the A. Great Salt Lake
B. Mississippi River
C. Rocky Mountains
D. Great Lakes

The war began as a fight between mayans and the landowners of the country. the main causes of the guatemalan civil war was started by the greed of the united fruit company, the fear of communism, and the racism toward the  mayan  people.

Radius energy hope this

Physical systems is the answer