According to glyndon g. van deusen, what was one reason the cherokees asked for federal protection from the state of georgia?

According to Glyndon G. Van Deusen, like other states, Georgia was compelled to comply with the treaties that were signed between the US and the Indian nations. But on the contrary, Georgia was reluctant, refusing to recognize the Cherokees as an independent nation within their territory and pressured them to sell their land and retire to a reduction.