The President you are looking for is Franklin Delano Roosevelt. Hope this helps :)
They forces tribes to move in other areas
The treaty of versailles caused WWII.
In short, suppression and eradication.
The Protestants of the early United States tended to avoid marrying and continuing the bloodlines of Native Americans due to obvious racial tension and prejudice against them. Native Americans were eradicated on a larger scale in North America rather than South America, so there would be a greater amount of Natives there. (This is because of a more complex and somehow tolerant society in the South) However, there were obviously the mestizos. While there <em>was </em>reproduction between white people and natives, it was typically a result of harassment or an uncommon desire to start a family.
In summary, the amount of Native descendants in the United States is significantly lower now than centuries before because of endless eradication and little amounts of pure-blood Native Americans being born.
Both Thomas Jefferson and James Madison are known as two of the Presidents and also as two of the Founding Fathers of America. For them, they believe that the most beneficial for the country is to support lowered tariffs and strengthen foreign trade for the farmers of America. Answer is C.