What can be done about prejudice and hate so that history never again sees something as horrible as the holocaust?

When did stockpiles of strategic nuclear weapons begin to dramatically decline in the united states? a. the mid-1960s b. the mid-1970s c. the mid-1980s d. the mid-1990s

What roles does climate change and natural resources play in global politics?

What did the us civil rights movement gain new momentum after world 2