Which Cabinet-level department has primary responsibility for U.S. foreign policy?

Which Cabinet-level department has primary responsibility for U.S. foreign policy?
 
  a. Department of State
  b. Department of Justice
  c. Department of the Defense
  d. Department of Homeland Security

Question -2-

Term limits for members of the U.S. Congress can be imposed only by __________.
 
  a. state legislatures
 b. congressional legislation
  c. a public referendum
  d. constitutional amendment

Question -3-

One of the primary purposes of the war in Afghanistan that was waged during the George W. Bush administration was to __________.
 
  a. prevent the spread of communism
 b. remove the Taliban government
  c. protect religious freedom
  d. retaliate for the bombing of the USS Cole

Question -4-

In most parliamentary democracies, the party in power calls elections __________.
 
  a. at a time of the party's choosing
  b. every five years on average
  c. at fixed intervals of two years
 d. only when the government receives a no-confidence vote

Question -5-

The war in Iraq began under __________ and ended under __________.
 
  a. Bill Clinton; George H. W. Bush
  b. Bill Clinton; George W. Bush
  c. George H. W. Bush; George W. Bush
 d. George W. Bush; Barack Obama