Which of the following is a true statement about the map? A. The border between Canada and the United States is a thin, blue line; this indicates a national boundary.

B. The border between Mexico and Texas is a thick, Black line; this indicates a national boundary.

C. The border between Mississippi and Arkansas is a thin, black line; this indicates a national boundary.

D. The border between Mississippi and Arkansas is a thin, blue line; this indicates a natural river boundary.

35 is your answer because i looked it up

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.

the emancipation proclamation was the aim of the war change to include the freeing of slaves in addition to preserving the union. the 13th amendment, which abolished slavery in the u.s. was passed on december 6th 1865.

as promised, lincoln waited to unveil the proclamation until he could do so with success from the union military advance. on september 22nd 1862, after a victory at antietam, he publicly announced a preliminary emancipation proclamation, declaring all slaves free in the rebellious states as of january 1st 1863.