The Reconquista was a prolonged process in Iberia in which o A. Catholic rulers extended their control over the entire peninsula.
B. Islamic kingdoms in the south of Spain spread northward.
C. Jewish immigrants from North Africa fled to Spanish cities.
D. Portuguese kings created their own kingdom out of Spanish land.

A.

Explanation:

The Reconquista was the period of time between 711–1492 in the history of the Iberian Peninsula.

In the Reconquista time period catholic rulers extended their rules throughout the peninsula, and muslims and jews were ordered to convert into Catholicism. At the end of this time period all Iberian territories was taken by catholics rulers.

Hence, the correct option is A.

regarding the law, the 15th amendment was specifically designed thinking in the rights of black free men.

even though ratified on february 3, 1870, the promise of the 15th amendment would not be fully applied for a long time.poll taxes and literacy tests would allow southern states disenfranchise african americans. only in 1965 the voting rights for african americans would be actually able to vote in the south.

in 1965, president johnson signed the voting rights act, which aimed to overcome legal barriers that prevented african americans from voting as it was guaranteed by the 15th amendment to the u.s. constitution.

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.