Explain the Treaty System (1790s-1820s). What did the US government try to accomplish in its negotiations with Native American tribes?

At a trade meeting, country a and country b, which are trade partners, agree to remove trade barriers to stimulate economic growth. they sign agreement stating that tariffs on all goods will be removed. some groups in country b protest the agreement because they think it will lead to excessive in some industries, which will threaten companies and jobs.