What was the sumerains system of writting know as

Cuneiform (Pretty sure)

Explanation:

Cuneiform was used which can be traced back to 8,000 BC. Using Pictographs on Clay-tablets representing symbols, is Cuneiform. (Sorry if I didn't explain this well)

as general terms,  indian territory,  the indian territories, or  indian country  describe an evolving land area set aside by the  united states government  for the relocation of  native americans  who held  aboriginal title  to their land. in general, the tribes ceded land they occupied in exchange for  land grants  in 1803. the concept of an indian territory was an outcome of the 18th- and 19th-century policy of  indian removal. after the  civil war(1861–1865), the policy of the government was one of  assimilation.

sorry i cant