Agricultural industry

In 1-2 paragraphs (per question), answer the following questions in answer and question format:

1. Unions can play a vital role in improving working conditions for workers in a globalized economy.please describe two ways unions can improve working conditions in the agricultural industry. 

2. research on agricultural workers and describe what realities of their lives you found most disturbing about their working conditions. Please be specific and cite your source.

3.    Please identify two reasons agricultural workers leave their homeland to work in the fields of American agricultural for low pay.  Is it possible that free market competition benefits big corporations and undermine local farmers in Mexico?

4.    Please explain the how the working conditions described in Bowes book related to trade policy like (NAFTA).