The right answer for the question that is being asked and shown above is that: "d. A piece may only move into an unoccupied square." a rule in checkers is that d. A piece may only move into an unoccupied square.
Aid to Viet Cong.
We were fighting against the Viet Cong, not aiding them.
It gave a spark to activism and resistance to segregation in the south this began the struggle for justice