The eighteenth amendment to the constitution was repealed because a) the president vetoed the amendment. b) women demanded the right to suffrage. c) the supreme court ruled it unconstitutional. d) congress and the states agreed to repeal it.

The correct answer is D) Congress and the states agreed to repeal it.

The 18th amendment made the manufacturing, sale, and distribution of alcohol in the United States illegal. This amendment, meant to restore American morals and values, backfired. This era of Prohibition resulted in an increased crime rate and increased drinking rates all over the country. This is why Congress passed the 21st amendment, which repeals (aka gets rid of ) the 18th amendment.

Contributing factors  leading  to the harlem renaissance were the great migration of african americans to northern cities, which concentratedambitious  people in places where they could encourage each  other, and the first world war, which had created new industrial work opportunities for tens of thousands of people.