The Atlantic Charter and the Lend-Lease Act both showed that the U.S.
b. supported Britain.
Explanation:
These two acts were passed during WWII in response to Britain's request for supplies. During this period of time America was not engaged fully into the war, but was supplying both sides with weaponry and munitions. However, anyone could see that America's favor was placed in the Allied side compared to the Axis side, showing how the U.S. was supporting the British war effort more than the German war effort.