The United States might have been officially neutral, but they made their support for the Allies very clear.
The US loaned weapons and other materials to Britain using FDR's proposed cash-and-carry policy.
The diary of Louis and Clark, or Louis and Clark's adventures through out the Louisiana purchase land, with Sacagawea
The Greensboro sit-ins were a series of nonviolent protests in Greensboro, North Carolina, in 1960, which led to the Woolworth department store chain removing its policy of racial segregation in the Southern United States.
Answer: the Scientific Revolution.
Explanation:Hope this helps