________ laborers were the first to be excluded from immigration based on ethnicity

Federal lobbying currently costs around $ __________ per year

A) 500 million B) 3.5 billion C) 1 billion D) 4.5 million

If California and Arizona sue each other over water usage from the Colorado River, the case can be heard only

A. by the federal waters rights court. B. by the Supreme Court. C. by the high courts in both states. D. by the U.S. Justice Department. E. by a high court of a state not involved in the case.