Answer:
B.
Explanation:
because he felt pity for farmers in his country
The topic is very controversial because there are several viewpoints.
Some people believe that Mexican immigration has become extremely high, and that it must be somehow restricted. Other people may argue that some Mexicans work jobs that most other people would not want to do. Some of these include working on farms or other dirty jobs.
These opposing viewpoints cause the topic of Mexican immigration to be highly controversial.
How is this a history question-
It depends on which war you're referring to. I feel that the answer you're looking for is the radio, though.
