What were some significant features of the civil rights acts of 1964 & 1968? why was the 1964 civil rights act upheld as constitutional? what two specific areas of the 1965 "voting rights act" (and amendments) were just recently changed by the u. s supreme court?

john maynard keynes developed new economic theories in response to the : b) great depression of the 1930s. his theories are so important that they are known as "keynesianism". in his works he supports the idea of a government with deeper involvement and intervention to end the great depression.

state law

most seat belt laws in the united states are left to the states. however, the first seat belt law was a federal law.

the correct answer is c.