Which of the following best describes a similarity between american involvement in afghanistan and nicaragua during the cold war? a. in both cases, the united states provided weapons and funds to anti-government rebel groups. b. in both cases, communist regimes were overthrown and replaced with liberal democracies. c. in both cases, the soviet union threatened to use nuclear weapons if the united states intervened. d. in both cases, the united states became involved in a proxy war with a nonaligned country.