In North America, people are mainly concentrated a. along the coast around the great lakes b. along the east coast and southern california c. in the northeast d. primarily up the center of the continent.​

Don’t use up to much of them it leads to pollution

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.

The answer to the first one is barometer.