What was the result of the civil wars in the Western Roman Empire?
○The military grew because of the wars
○More roads were developed so armies could travel.
○Western groups controlled the most profitable trade routes
○The empire grew weaker because of the military conflicts,

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.

the heightened emotion and nature images.

d is the right answer