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.
Right to life and liberty so that would be B
The first emperor, Augustus, reduced the size of the senate from 900<span> members to </span>600<span>, even though there were only about </span>100<span> to </span>200<span> active senators at one time.
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