Supporters of the dawes act said the act would american indians to

Many whites wanted Indian land, and knew it would be easier to gain if the Indian tribes disappeared. With that statement appeared the Dawes Act, also known as the General Allotment Act, in February 1887. A scheme was soon developed for Indians that would allow individual Indians to own land for private use, and the Indians would be converted into capitalists. 

This answer belongs to Exvited  October ModFest Winner It is the correct answer though

And this too use this if needed