between 1817 and 1818, President Monroe negotiated with Great Britain, what negotiations remained unsolved

Rush-Bagot Pact, 1817 and Convention of 1818

The Rush-Bagot Pact was an agreement between the United States and Great Britain to eliminate their fleets from the Great Lakes, excepting small patrol vessels. The Convention of 1818 set the boundary between the Missouri Territory in the United States and British North America (later Canada) at the forty-ninth parallel. Both agreements reflected the easing of diplomatic tensions that had led to the War of 1812 and marked the beginning of Anglo-American cooperation.

- three-quarters or two-thirds..

- "the constitution provides that an amendment may be proposed either by the congress with a two-thirds majority vote in both the house of representatives and the senate or by a constitutional convention called for by two-thirds of the state legislatures."

< 3

the answer would be:

b. race