The cotton gin was introduced in 1793. what was the effect of this invention in the us? production of cotton decreased by 32% between 1800 and 1820. production and export of cotton decreased by 50% between 1800 and 1860. production and export of cotton initially increased, then began to decline. the export of cotton increased by 50% between 1800 and 1860.

Was the first african american to be appointed to the u.s. supreme court.

Plz which of the following statements about spanish plantations is not accurate? a. spanish plantations grew sugarcane for export to spain b. the spanish had little concerned for the lives of the indians who worked on the plantations. c. spanish plantations grew wide variety of crops and center produce to many different european countries. d. to replace the native americans our dying off the spanish imported african slaves.

Which foreign policy initiative countered the spread of soviet influence by restricting the spread of communism? a. roosevelt corollary b. truman doctrine c. nullification proclamation d. good neighbor policy