In his 1823 state of the union address, president james monroe laid out the core principles of what would come to be known as the monroe doctrine. what is the main contention of the monroe doctrine

It warns the European nations that the United States would not tolerate further colonization or attempts of monarchy.

The Americas were not Europe’s to conquer and colonize anymore; the United States considered the Americas their own sphere of influence.

Explanation:

Monroe pronounced: “As far as I’m concerned, the era of colonization is over.”

i think it's a)sparta

"germany's geographic location was an advantage when it was on the offensive in the war because it was situated next to an extremely wide river, the rhine, which was difficult for the allies to cross."