In reference to his military strategy, what did president reagan mean when he spoke of intending to close the window for vulnerability.
a. implementing massive military action against any communist nations.
b. eliminating the need for military engagements by increasing the us military to an intimidating level.
c. aligning with communist nations to reduce the likelihood of military engagements.
d. returning to an isolationist foreign policy to reduce the amount of us military involvement in