The cotton gin increased production from 1 pound of cotton a day to
a. 20
b. 30
c. 40
d. 50

- 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."

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answer; i believe the correct answer is (the willamete valley);