Mostly its because of profit and religious reasons
Viceroys, or vice kings, authorized by the king to govern the colonies, were responsible to a council in Spain"
In this treatise Montesquieu argued that political institutions needed, for their success, to reflect the social and geographical aspects of the particular community. He pleaded for a constitutional system of government with separation of powers, the preservation of legality and civil liberties, and the end of slavery.
During the World War II, many Americans helped in the productions of arms. Many women during this time were empowered to work in factories. The government had encouraged its citizens to save and recycle their scraps metals for arms production.
The answer is false they had to work most of they day and got less than minimum wage.