Why would anyone want to be an impostor?

To be an imposter you would do it for something in return like money or land. No one is going to be an imposter just to be an imposter. You need to benefit from it in order to do it.

Explanation:

the two colonies had the earliest laws mandating religious tolerance.

this act gave the federal government the power to relocate any native in the east to territory west of the mississippi river.