I believe that it was the U.S army

the answer is

you must add the exponents when multiplying their coefficients. The

are technically

for which your answer is
Natural Law
This is a philosophy asserting that certain rights are inherent by virtue of human nature or transcendent source. As a result, we are naturally inclined towards certain objective principles that come from our nature and can be discovered through reason.
The Civil War influenced the role of government in the United States because it highlighted how the national government was the sovereign power. Following efforts by states to succeed and establish their own system of government the national government of the U.S. asserted is dominance and defeated the southern belligerents, thereby reasserting its dominance over politics and government in the United States following the war.