John Adams was the president who sacrificed his popularity.
Adolf Hitler's plan<span> was </span>to create<span> a "</span>Master<span> Race" called the Aryans.</span>
I believe it's quadratic, as quadratic matches the second time while linear matches the first time you find the differences.
The exchange that most affected the indigenous people was the one of diseases. Native Americans hadn't encounter the diseases the European brought before, so they hadn't develop immunity to them. This is the major reason of the large death of Native Americans, besides the war between them and the brutality of the Europeans.
