Answer:
Mexico is a federal presidential representative democratic republic wherein the President is both the head of state and head of government
Explanation:
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.
Answer:
because they produced more agricultural products than any other regions
The cheap labor in the form of slaves.