When analyzing a source, historian has to remain unbiased and free from personal feelings and opinions. They know that there are different source of an event and they may reveal different facts which could cross-check his argument. The objective historiography is possible only when the historian is unbiased and when different sources like archaeological, literary and other sources are cross-checked and interpreted independently.
President Kennedy visited the city of Berlin to boost the Germans morale and faith in democracy and to have a speech about "how bad communism was"
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Kagan think Americans should be patriotic to be able to sustain America through worst times. Patriotism would also ensure that America has selfless individuals who will heed the need of others and work toward the common good, and defend America when defense is needed.
The economic systems of north Korea and China are similar because both systems have a centrally planned economy.
