What argument did andrew jackson use to persuade people that the indian removal act was a good decision?

There were several arguments that Jackson used in order to convince people that the Indian Removal Act was a good decision. For example, he highlighted the benefits that this arrangement would bring to white settlers. Land would be freed up, and the settlers could spread out and become wealthier. Moreover, he argued that Native Americans were not like other people and could not be civilized. Therefore, the government's efforts to assimilate them would always prove futile.

the two answers are

get thee back into the tempest and the night's plutonian shore

on the pallid bust of pallas just above my chamber door

jefferson introduced the idea that one does not change a government for "light" causes because he wanted to emphasize the seriousness of colonists' reasons for declaring independence.