While Andrew Jackson was president, American Indians were forced to walk long distances in harsh conditions to land the government had set aside for them. Which cause or effect statement is true about this time? A. Conflicts between European Americans and American Indians arose because Jackson was a hero of the common people. B. The Trail of Tears marked the first significant hostile exchange between European Americans and American Indians. C. Jackson appointed his friends to the Bureau of Indian Affairs, and it was those friends who passed the Indian Removal Act. D. A series of conflicts between European Americans and American Indians led to this situation, and more such conflicts would follow.