"The decision of the Jackson administration to remove the Cherokee Indians to lands west of the Mississippi River in the 1830's was more a reformulation of the national policy that had been in effect since the 1790's than a change in policy."

Assess the validity of this generalization with reference to the moral, political, constitutional, and practical concerns that shaped national Indian policy between 1789 and the mid-1830's.

Can someone please explain to me what I'm suppose to be answer. My teacher tried to explain what it was asking, and I still didn't understand. Can someone please help?