This Conference on the conservation of natural resources is in effect a meeting of the representatives of all the people of the United States called to consider the weightiest problem now before the Nation; and the occasion for the meeting lies in the fact that the natural resources of our country are in danger of exhaustion if we permit the old wasteful methods of exploiting them longer to continue.
The name of the case was Plessy vs. Ferguson. Hope this helps :)
Answer: It's just a tradition
Explanation: This is just a tradition that President Roosevelt started there really isn't much to it besides it is a tradition. Even Donald Trump nowadays does it and keeps the tradition going. Hope this helps. ;)
In Asia, different leaders used different ruling techniques. Depending on the time period of this question, you can use China, with points about their bureaucracy and their civil exam system (where you have to be intelligent to be in the government). You can use the Japan and their Tokugawa system. They had a ranking of people like the Samaria and leaders. That’s how they exercised their power.