One major problem the United States was suffering with when John F. Kennedy became president was HIGH UNEMPLOYMENT RATE.
The Federal housing programs discriminates by refusing to considered black for the scheme and had to pay more for the housing.
The federal housing programs was a federal scheme which is established to assist the low-income families, elderly and disabled to own a property in the U.S.
There are cases of discrimination alleged on the Federal housing programs before the 20th Century where they refused to considered black for the scheme and had to pay more for the housing.
However, the Fair Housing Act 1968 to enacted to address the issue on discrimination concerning the sale, rental and financing of housing based color, origin etc
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So basically bud they declared war because Germany had sunk the Lusitania and was therefore trying to abandon the policy against unrestricted submarine warfare
The answer is c because having control over light in homes made a big difference. .