Andrew Jackson's policies regarding Native American removal inhibited the cause of democracy in three key ways: 1) Jackson ignored Supreme Court rulings that prevented states like Georgia from removing Native Americans from their tribal lands, undermining the system of checks and balances. 2) The Indian Removal Act authorized the president to negotiate removal treaties with Native Americans through misleading and coercive means, rather than obtaining genuine consent. 3) Jackson's forced removal of the Cherokee on the Trail of Tears, which resulted in thousands of deaths, disregarded Native American sovereignty and rights in favor of white settlers and the states' interests over the rule of law.