How did mcculloch v. maryland affect the separation of powers in the united states?
a-it established the power of the federal government.
b-it decided that the federal government cannot tax states.
c-it established the power of state governments.
d-it allowed state governments to overrule the federal government.

The correct answer is A.

McCulloch v. Maryland was a US Supreme Court decision enacted in 1819 that defined the limits of the legislative powers exercised by the US Congress in opposition to the legislative powers of the states.

The Supreme Court solved the conflict by establishing the necessary and proper clause, included in the US Constitution, that gives implied powers to the federal goverment that are not explicitly contained in the Constitution. It also describes the supremacy of the federal goverment over state goverments, that cannot easily interfere with the actions of the first.  

although world war i began in 1914, the united states did not join the war until 1917. the additional firepower, resources, and soldiers of the u.s. to tip the balance of the war in favor of the allies. remaining neutral. when war broke out in 1914, the united states had a policy of neutrality.

answer: to communicate with people on the other side.

explanation: