Plz i have no clue what this would be

Which option best completes the diagram? the cold war is the major u.s. foreign policy priority terrorism becomes a major concern of u.s. foreign policy. a. the second iraq war begins. b. the september 11 terrorist attacks occur. c. terrorists attack the 1972 summer olympics. o d. the soviet union collapses.

Which country was the last to join the allied powers? o great britain o france o united states o china

Which man believed that african americans should actively fight for the rights they deserve, even if they put their lives in danger?