My guess is b. Muhammad tughluq...... Sorry if it's wrong but I really think it is b.
The correct answer is Migrant workers from Mexico took jobs there
Explanation: In this sense it is possible to understand that immigrants played a major role in the development of some neighborhoods in the united states, immigrants helped to develop their specifies and ways of living as well as a very important fusion of culture for the country.
I believe the answer is A because acculturation is when cultures blend so if you speak a blend of English and another language then it is acculturation.
Hope that helps