How did the command of the army act challenge the constitution?

it made the general of the army above congressional law.
it took away the presidential power assigned in the constitution.
it made the army respond to judicial review.
it gave congress military powers.

It took away the presidential power assigned in the Constitution.

Explanation:

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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.