The southern states that seceded from the union in 1860–61 . formed the confederacy maintained their individual independence rejoined by 1864

False

Explanation:

The southern states that seceded from the union in 1860–61 . formed the confederacy maintained their individual independence rejoined at different dates. Below is a breakdown of when they rejoined the Union.

South Carolina - July 9, 1868

Mississippi - Feb. 23, 1870

Florida - June 25, 1868

Alabama- July 13, 1868

Georgia - July 15, 1870

Louisiana - July 9, 1868

Texas - March 30, 1870

Virginia - Jan. 26, 1870

Arkansas - June 22, 1868

North Carolina - July 4, 1868

Tennessee - July 24, 1866

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.