After the Soviet Union launched Sputnik in 1957 which of the following actions were taken by the U. S. goverment to curb fears over the spread of communism.
A
Children were taught to duck and cover in classrooms and playgrounds.
B В
Members of Congress were put on trial to prove they were not communists.
C.
The U. S. increased spending on math and science education
D
John F. Kennedy sent the military to occupy Cuba to keep it from assembling nuclear missiles.