One of the main reasons why a historian would use a primary source when studying a historical event is because "<span>C. Primary sources are created by people who actually experienced the event", and they can also be things that happened to be "around" at a certain time. </span>
In very general terms, the Cold War was "<span>a period of difficult relations between the U.S. and the Soviet Union," since although there were a number of "proxy wars" during this time, the US and the USSR never engaged directly in conflict. </span>
The ku klux klan rose up and started killing minorities and spreading terror within the southern and "south"-northern states
William Wilberforce continued to work for the abolition of all slavery within the British Colonies. He joined the 'Society for Gradual Abolition' and, when the campaign intensified again in the 1820's and 30', he did as much as his failing health would allow.