Pretty sure your answer is B. They didn't get equal rights until the 60's, I don't believe they were removed from jobs, and I'm fairly certain they wouldn't have done work without pay (The Great Migration is a good example of that).
I think the answer you are looking for is yes :)
The Silk Road trade was one of the trades that were stoped
The Alamo. Definition: The Battle of the Alamo was a 13 day siege at a mission in San Antonio that was fought between February 23, 1836 – March 6, 1836 by Mexican forces of about 4000, under President General Santa Anna, against a handful of 180 American rebels fighting for Texan independence from Mexico.
