What events took place prior to the Long Walk?

Army horses took over Canyon de Chelly grazing grounds, In 1860, 1,000 warriors attacked Fort Defiance, For 10 years there were attacks and reprisals by both the Navajo and the Army.

Explanation:

pretty sure it is c

explanation:

- 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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