The Allied soldiers entered France to free her from Nazi Germany's control and to return her liberation.
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Explanation:
Rehabilitation of infrastructures, roads and schools.
The Chinese people invented the Seismometer during the Han dynasty to help predict natural disasters. The Seismometer measured the motion of the ground, and things included of seismic waves such as, earthquakes, volcanoes, and other things that involve explosions that are generated by seismic waves.
True. This is around the time WW1 started.