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He also pointed out that the U.S. was not attacked in 1917 — as it was at Pearl Harbor during World War II — and that the Great War did not involve a communist adversary like Korea.
'A Soldier's Journey': WWI memorial completed with 25-ton sculpture honoring the American doughboy →
"His motto was, no war but class war," said Mr. Kazin, an historian of political and social movements at Georgetown University.
