What was the cash-and-carry policy?

a.) a provision in the neutrality act of 1937 which permitted the u. s to sell nonmilitary goods to warring nations, if the nations paid in cash and shipped the goods themselves.
b.) a provision in the neutrality act of 1936, which permitted the u. s to sell military goods to warring nations, if the nations paid in cash and shipped the goods themselves.
c.) a provision in the lend-lease act, which permitted the u. s. to lend nonmilitary and military goods to waring nations, as long as they promised to pay in cash for them.
d.) demand cash in advance for any goods sold and shipped to warring nations.

its not b