The line, extending roughly between the eastern edge of the Panhandle down to the Rio Grande northwest of Laredo and marking the area where agriculture is not possible without irrigation, is the

What has the United States gained from the rise of China that makes China and the United States partners and allies? In what ways is the growth of China a challenge, or even a threat, to the United States?

What will be an ideal response?

Which of the following is a characteristic of the United States' welfare model?

A. High benefit generosity B. Funding through income taxes and private sources C. Redistributive benefits D. Maximum role of government E. Universal social rights