This was a landmark case because it essentially laid precedent for interactions between Native Americans, states, and the federal government. Georgia mostly "ignored the decision".
Answer: between North Carolina and Tennessee
Explanation:
The answer is : Infants and elderly
The major cause of this vulnerability is most of the people in this groups could not provide their need on their own. Not only that, they also could not communicate well to ask others for helps to fulfill their need ( infants could only cried and a large numbers of elderly lost their ability to speak properly)