Answer:
B. Settlers got free land for paying the passage of indentured workers to the colony
Explanation:
The head-right system in the southern colonies was slightly different than in the other colonies. This system was giving free land for the settlers, but in order to get they had to pay the passage of indentured workers to the colony. By doing so, the crown was making profit, but also it had loyal farmers that were producing a lot of cash crops, which was going to the benefit of both the crown and the colony. The settlers were very happy with the terms, and so was the crown, so it was a win-win situation for the colonists.
No civilization is ever "destined" to fail; however, Spanish military tech trumped that of the Aztecs. Additionally, the Aztecs didn't haveany friendly relations with nearby peoples and thus the Spanish were able to convince those tribes to fight against the Aztecs
B. They needed natural resources from those places