I’ll give brainlist to whoever gets it correct What effect did the Columbian Exchange have on slavery in America?

A. Slavery decreased because the introduction of horses decreased
the need for manpower.

B. Slavery increased because workers were needed to grow
sugarcane.

C. Slavery increased because workers were needed to run machines
in factories.

D. Slavery decreased because the introduction of European diseases
decreased the slave population.

What number was abraham lincoln president

Describe the views of the federalists. how did they feel about ratifying the constitution.

Which of the following scenarios best shows the relationship between personal and civic responsibility? tara stays home on friday night to babysit her sister instead of going to a movie with her friends. theo asks neighbors to sign a petition asking the city council to lower the speed limit in their neighborhood to make it safer for children. natalie watches a presidential debate with her parents in order to complete a homework assignment for school. nick’s scout troop adopts a section of highway in their community to keep free from litter.