The atlantic charter and the lend-lease act both showed that the u. s.
a. was neutral.
c. was a democracy.
b. supported britain.
d. supported communism.

The Atlantic Charter and the Lend-Lease Act both showed that the U.S. supported Britain (B).
The Atlantic Charter released by Roosevelt and was a joint statement by Roosevelt of the USA and Winston Churchill of Great Britain. It was a statement of the USA and British war aims during the second world war. 
The Lend-Lease Act was a programme that allowed the USA to provide military supplies and assistance to the Allies in 1940. The USA only join the war in December 10941. Most of the aid went to Great Britain and her allies already at war with Germany and her allies. 

The answer is promontory, utah.