I believe A.
When US troops moved north of it, the Chinese decided to fight. It was the location of the Yalu River boundary between North Korea and China.
Hey there,
Question : <span>What twice daily event would cause water levels around Jamestown to rise and Cause wells and freshwater or streams to become brackish?
Answer : Ventilation in the air and the ground.
Hope this helps :))
<em>~Top♥</em>
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Because most of the people in World War 1 died