The answer is D. Ethanol.
Answer:
Option: Enslaved workers
Explanation:
Enslaved workers were an essential part of the economy of the Spanish colonies. The purpose was to enslaved workers (Native Americans) and used them as a labour source. Encomienda is a method of labour system introduced by Spanish in America during the colonizing. Native Americans were captured and put into works in plantations (sugar) and mines. Many of them died from beatings, disease, and hunger. The Spaniard allowed them to settle in the colonies where they put in work and converted into Christianity.
Mesa verde is a national park in SW Colorado: ruins of prehistoric cliff dwellings.
One of the most important <span>effect of nation industrialization was that the nations became more self sufficient or self reliant. The nations started producing the goods that they required and they did not have to look up to other countries to get the goods imported. this helped the economy grow as well.</span>