Why is 1845 significant in Texas history? A. Texas forces won the Battle of the Alamo ending the War with Mexico; B. Sam Houston was elected president of the Republic; C Texas was annexed by the United States; D. The spanish government gave up all rights to Texas.

It is C.

Explanation:

After the US annexed Texas, it was really forever part of the US. (exception: Civil War).

A is wrong because the Texans lost the Battle of Alamo, it also occured in 1836, not 1845.

B is wrong, because it is not significant.

C is correct.

D is wrong, the Spanish left Texas nearly 2-3 decades ago.

it's lower nubia : ) good luck

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.