His discovery of the role of oxygen. He recognized and named oxygen and hydrogen and opposed the phlogiston theory. He helped construct the metric system, wrote the first extensive list of elements, and helped to reform chemical nomenclature.
6. The French colonists depended largely on the fur trade with Native Americans.
7. European traders shipped enslaved Africans to work on plantations European colonies in the Americas.
8. Some African states participated in slave trading to gain wealth and power.
I hope this helps!
Explanation:
Become the most populous empire in the world.
