What was the purpose of the spanish colonies?

For example, the Spain sold the Philppine archipelago for $20,000,000 after colonizing it for 333 years. Simply, through the Treaty of Paris, the United States got all the remaining countries colonized by the Spanish empire. Before Spain sold the country, it used its resources, man power, everything that they could use to improve their economy.

answer; i believe the first answer to be (independent; /// and the second answer is (french); good luck

answer; the federal reserve system;