Nine out of 10 workers on the transcontinental railroad were Chinese. These indentured laborers, derogatorily called "coolies," became a prime target for criticism in the mid-19th century
Answer:
Drake entered the port of Cadiz and destroyed 30 of the ships the Spanish were assembling against the British.
Explanation:
I believe it's C because the emancipation proclamation it declaring that all slaves in slave states to be free.