Indian tribes had reservations with defined borders. These borders were
able to be changed at any time, but they were still defined nonetheless.
These reservations were usually much smaller than the area in which the
tribes used to live, answer (A).
Well that would likely hinder the trade for such nation, like China. China has a TON of industry, and what would happen of it couldn't reach outside its borders? The economy would plummet! It would weaken every aspect of the nation.
was the idea of B. Citizenship, Hope this helped!
I believe that the most fitting answer for this question would be prosecuting "trusts," or monopolies, that were in violation of the federal Anti-Trust law. During the Progressive Era, or 1900 to 1917, trust-busting efforts were very prevalent. Roosevelt, Taft, and Wilson were especially adamant about trust-busting. Hope this helps.