Trenches were common throughout the Western Front. Long, narrow trenches dug into the ground at the front, usually by the infantry soldiers who would occupy them for weeks at a time, were designed to protect World War I troops from machine-gun fire and artillery attack from the air.
<span>the north and south became more divided over the issue of slavery
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Do you want me to answer all of the questions?
The Japanese had invaded China, and killed over 3.9 million Japanese had also invaded Manchuria, taking over their land until the Soviet Union and Mongolia stepped in.