What are 3 basic forms of government that exist from a geographic standpoint?

- 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

answer; andrew jackson approved nullification by signing it into law,and john calhoun opposed it saying it was unconstitutional;