1. Between 1970-2008 the number of Mexican immigrants in the US rose from 760,000 to ___________
2. Why is so much farmland in Mexico currently uncultivated?
3. How much do farmhands in Mexico earn per day?
4. What primary sources of income did the interview subject indicate Mexico depends upon?
5. How much money did Mexican's working in the US send home in 2008?_______________________
6. On average, how much does 1 mile of border fence cost US taxpayers? _______________________
7. How much do smugglers charge to take people across the border?___________________________
8. What actions could help prevent high levels of migration from Mexico?