write a essay, for these essay questions
1. Explain the relationship between Mexican workers and U.S. corporations and assess how this relationship contributes to the alienation and solidarity of U.S. and Mexican workers.
2. Discuss the changing roles of men and recommend social policies to alleviate some of the negative aspects and support some of the positive aspects of these changing roles.
3. Discuss the four contradictions of capitalism that led Marx to conclude that capitalism would eventually unravel and assess whether or not there are modern examples that support his theory.