Final answer:
The removal of Southeastern tribes to the West involved Indian alliances, tribes in the Iroquois Confederacy, and plant domestication.
Step-by-step explanation:
The correct answer for the question is b. i. and iii. only. Statement i. states that Indian alliances were an important means of establishing power in the southeast for the European empires, which is true based on historical evidence. Statement ii. states that all of the tribes in the Iroquois Confederacy maintained neutrality during the Revolutionary War, which is false. Some tribes within the Iroquois Confederacy supported the British while others supported the American colonists. Statement iii. states that the region of the present-day Southeastern United States was likely one of the world's independent centers for plant domestication, which is true based on archaeological evidence.