Answer:
Correct answer is C. They were trying to obtain higher paying jobs .
Step-by-step explanation:
Correct answer is C because United States was economically much more developed and because of the revolution in Mexico the situation in the country was very unstable, as economy was.
A is not correct because there were no persecutions of this kind until 1926 and the Cristero Revolt.
B is not correct answer as they weren't able to gain practically any type of education in the United States.
D is also wrong, because as immigrants they weren't allowed to participate in political life.