PL HEL 35 POINTS PLS HELP ILL SEND 50 MORE POINT IF U HELP what reason do you think was the biggest motivating factor for the explosion

the ancient maps were the best way to get a coubtry

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.