They pledged mutual allegiance
In a free market, capitalists would reinvest in new business ...
Because they want to keep their european Rivals Away from Valuable town and Mines in Mexico.
North America was really Loaded with Gold and Silver, and has Accounted for more than 20 % of Spains Budget back then. That's why they want to assert control over it
In ancient Rome, the wealthy noble citizens were known as the Patricians, while the lower class citizens were call the plebians. The plebians had far less social impact than the Patricians.