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Germany had just successfully invaded France.
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The Tet Offensive played an important role in weakening U.S. public support for the war in Vietnam.
For the answer to the question above, I believe it shows that <u><em>during Caesar's time the people relied heavily on the side of a spiritual aspect of things rather than the logical side of things. Like superstitious beliefs.</em></u>I hope this helps. Have a nice day!