When did the mongol empire expand?

The Mongol Empire: Expansion of the Mongol empire from 1206 CE-1294 CE. During Europe's High Middle Ages the Mongol Empire, the largest contiguous land empire in history, began to emerge. The Mongol Empire began in the Central Asian steppes and lasted throughout the 13th and 14th centuries

Explanation:

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while it was true that the cotton gin reduced the labor of removing seeds, it did not reduce the need for slaves to grow and pick the cotton.

explanation:

before eli whitney's invention of the cotton gin, picking and cleaning cotton was a slow, labor-intensive job. workers, usually slaves, had to pick the seeds from the cotton fibers by hand. this invention made it possible to grow large amounts of cotton on big farms and make money.

general allotment act (dawes act) february 8, 1887

amendment to the dawes act, february 28, 1891

commission to the five civilized tribes (dawes commission), march 3, 1893