Consider the writing prompt. Write an informative, research-based essay that explains the main causes and effects of the Korean War. Which research source is both a secondary source and a source that would be relevant to the prompt? A)a book about the Korean War written by a contemporary historian B)an interview of an eyewitness to some of the major battles of the Korean War C)a speech by President Harry Truman about fighting communism through the Korean War D)an encyclopedia entry about the geography of the region where the Korean War was fought.

A book about the Korean War written by a contemporary historian is the research source is both a secondary source and a source that would be relevant to the prompt. Hence, option A is correct.

What is the Korean War?

The fact that the Korean War ended in a stalemate while the Vietnam War did not is one of the most significant distinctions between the two conflicts. When the Korean Armistice Agreement was signed in 1953, the Korean War came to an end. But no formal peace agreement was ever reached. On the other side, Saigon's fall on April 30, 1975, marked the end of the Vietnam War.

The Korean War and the Vietnam War differed in that the former ended in a stalemate, while the latter did not. The North refused to grant the South's request to secede from it. The South eventually rejoined the North as a nation, which marked the end of the conflict.

Thus, option A is correct.

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