Charisma and propaganda--Reagan knew how to reach his audience and convince the American people they were in a state of danger and he had been able to keep them safe.
The Reagan administration focused on Cold War tactics first convincing American citizens they were unsafe in a world with communism and the USSR. He then developed military focus and propaganda to prove his leadership was keeping Americans safe. This with large tax breaks and a sense of conservative 'normalcy' made him very popular with the majority of white America.
I Believe the answer is: Personal records Personal record revers to a form of primary source which information is derived from the observation or the experiments that being done by the source writers themselves. In most cases, personal records are created by experts on the relevant fields.