All the land west of the Mississippi River was obtained between 1803 and a.)1846 b.)1853 c.)1819 d.)1845

the year 2019 marks the 2115th anniversary of his birth.

- 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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