The correct answer to this open question is the following.
Although there are no options attached, we can say the following.
The way in that is incorrect to call America isolationist during the lead up to entry into World War II is because although United States President Franklin D. Roosevelt had supported the policy of neutrality at the beginning of Wordl War II, before the hostilities the US federal government through Congress had passed the Cash-and-Carry Act of 1939,and not only that leh¿gislation, but the Lend-Lease Act of 1941, in which the government culd supply its allies such as Great Britain or France, with weaponry and war supplies to be sent to the warfront. This legislation drew the US to the European conflict.