How did the practice of enslaving people evolve in the colonies?

It was through the Settlers.

Explanation:

The settlers in the country were the first to start the practice of slavery. They brought with them slaves to the country to help with their farm and daily activities.

The settlers involved in this practice were prevalently from Spain and Portugal. This made some Americans to adopt the practice which eventually led to its evolvement in the colonies.

a, c, & d are correct:

they wanted lands to settle the extra population.

they wanted new markets for english goods.

they wanted to avoid civil war.

after world war ii, the united states and the soviet union were the major economic, military, and political powers. the world was bilateral multipolar bipolar unilateral

after world war ii, the united states and the soviet union were the major economic, military, and political powers. the world was bipolar.  

the great leap forward, mao zedong's plan to increase china's agricultural and industrial production, was an overwhelming success. true false

the great leap forward, mao zedong's plan to increase china's agricultural and industrial production, was an overwhelming success. true.

explanation: