The Tet offensive altered public opinion of the war because the "<span>(B) U.S. suffered heavy losses". Although it ended with a US and South Vietnamese victory, many Americans grew wary of the costs. </span>
The answer is Douglas A. MacArthur
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Lincoln believed that the South had never legally seceded from the United States, so he planned to forgive the South for the past. He issued the Proclamation of Amnesty and Reconstruction in 1863 to announce his intention to reunite the once-united states.