SuperPACS can raise and spend ______________ amounts of money promoting or attacking candidates

In __________ regimes, leaders have no real limits on how they proceed or what they do

a. republic b. totalitarian c. democratic d. oligarchic

Nuclear disasters took place in the United States in 1979, the Soviet Union in 1986, and Japan in 2011. These were known as the _____________________, ______________, and ___________________disasters.

Fill in the blank(s) with the appropriate word(s).