A - Because they are a direct link to the events in history
Primary sources are sources that came from that time of history from the same location, time period, and era. For instance, journals from World War II from a French Military leader. These are direct links to that time in history and are the most accurate sources that are presented.
B is incorrect as even without these sources there are other methods to know about history such as secondary sources.
C is incorrect as primary sources are not the only way - again, secondary sources are a thing.
D is incorrect as secondary sources are reliable and can be trusted, but they just aren't as important and well, direct as primary sources.
Hope this helps!
Islamic Warriors spreading Islam through war.
Answer:
The bombing of Hiroshima and Nagasaki.
Explanation:
On August 8, the Soviet Union declared war on Japan and attacked the Japanese occupied Manchuria. After Japan agreed to surrender on August 14, 1945, American troops began to enter Japan. Japan officially surrendered to the United States, Great Britain, and the Soviet Union on September 2, 1945.
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The Reconstruction era was the period from 1863 to 1877 in American history. The term has two applications: the first applies to the complete history of the entire country from 1865 to 1877 following the American Civil War; the second, to the attempted transformation of the 11 ex-Confederate states from 1863 to 1877, as directed by Congress. Reconstruction ended the remnants of Confederate nationalism and ended slavery, making the newly free slaves citizens with civil rights apparently guaranteed by three new Constitutional amendments. Three visions of Civil War memory appeared during Reconstruction: the reconciliationist vision, which was rooted in coping with the death and devastation the war had brought; the white supremacist vision, which included terror and violence; and the emancipationist vision, which sought full freedom, citizenship, and Constitutional equality for African Americans.
