The end of the Cold War brought with it a dizzying array of complicated foreign policy issues

In many countries the spread of AIDS was impacted greatly by __________

a. tourism b. the importing of meat products c. the prevalence of large populations of gay people d. the prevalence of mosquitoes

The major difficulty in building a fission weapon is that __________.

A. the weapon is too technologically complex for most states to build B. large amounts of fissionable material are required C. fissionable material is difficult to acquire D. fission occurs only at extreme temperatures