After the Korean War,the U

After the Korean War,the U.S.addressed its fears regarding the spread of communism in all of the following ways except

A) increasing covert operations globally in countries susceptible to communist influence.
B) forging alliances and increasing aid to prevent politically unstable countries from "falling like dominoes."
C) testing nuclear missiles via satellite in space.
D) a sizeable buildup of nuclear weapons, particularly the hydrogen bomb.
E) engaging in the space race with the Soviet Union.