Which of the following events first tested the U.S. policy of containment in Asia?(1 point)

Responses

the extension of military aid to French Indochina
the extension of military aid to French Indochina

the invasion of South Korea by Communist forces
the invasion of South Korea by Communist forces

the Soviet boycott of the UN Security Council
the Soviet boycott of the UN Security Council

the success of Mao Zedong in unifying China

the invasion of South Korea by Communist forces