Who was responsible for building liberty ships ?

The Liberty Ships was a class of cargo ships built in the United States during WWII. They followed a British design but adjustments were made in America. They were made to supply Britain with new ships that would replace cargo vessels sunk by the Germans. Eighteen American shipyards built 2,710 Liberty Ships between 1941 and 1945. They were a symbol of US industrial wartime might.

Explanation:

d. hip hop

it was originated in the 70s while the harlem renaissance occured in the 1920s

c. archbishop desmond tutu promoted the acknowledgement of the rights of black africans and expose human rights abuses.

d. leader haile selassie modernized african society through the institution of progressive social, economic, and educational reforms.