What is the one word answer that describes the additional threat that mexicans faced?

Explanation:

Mexico: currently drug wars and poverty. Historically, War.

United States: Prejudice

i think the answer is c, rivers.

explanation:

sometimes, borders fall along natural boundaries like rivers or mountain ranges. for example, the boundary between france and spain follows the crest of the pyrenees mountains. for part of its length, the boundary between the united states and mexico follows a river called the rio grande. the borders of four countries divide africa’s lake chad: niger, chad, cameroon, and nigeria.

a historian is attempting to study how the puritans affected society in new england