The answer to your question is the Sherman Act. Hope this helps!
Explanation:
The Currency Act banned the colonies' printing their own paper money. English merchants had insisted for years that payment in colonial currency left them underpaid for their goods. But colonists insisted that without their own paper money they could not maintain vigorous economic activity.
They had in mind to protect people. There was all types of power sharing that were done to have different groups of power control and balance each one another.
Hope it helps!
Because the Spanish brought over diseases which wiped out most of the Native American population.