Indian Removal Act and the Trail of Tears were when Jackson removed all Indians and placed them into an area even though most of the tribes had "beef". Also, the trail of tears led to lots of Indians be killed or dying while traveling.
President Jackson was the "peoples president" because he was poor and a less educated man. Which made people relate to him more then other presidents.
The spoils system was what Andrew Jackson did when he came to power. He fired all of the experienced people and rehired all of his friends and family that helped him