Why did woodrow wilson want to establish an organization such as the league of nations

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 are some inventions during the han dynasty?

What is an example of a primary source? o a. a dictionary entry o b. a history book o c. an encyclopedia article o d. a recording of a speech