This would depend on your beliefs. Personally, I believe it was a cruel injustice to the Cherokee, and that the Trail of Tears was nowhere near necessary to advance civilization. However, this question is asking for your point of view on the matter. Using the information you have learned, reflect on the event and come to your own conclusion. Hope this helped! ^.^
Through the system of checks and balances, the three branches of government check on one another to make sure that no single branch has more power than the other.