The president is the central governmental source of U.S. foreign policy

__________ helped establish the preeminence of the federal government over the states

a. The Revolutionary War b. The Civil War c. World War I d. The Vietnam War

According to the text, all of the following are reasons that migrants are not welcomed, except

a. citizens of the receiving country fear that migrants divert state resources from other missions. b. citizens fear migrants' religious influence. c. citizens fear that migrants will take their jobs or livelihood. d. citizens would rather not have migrants speaking their own languages in their new country.