Complex sentence: The Peace, on the formation of the U.N. at the Dumbarton Oaks Conference, was produced by the NFB at the suggestion of Archibald MacLeish, then-Assistant Secretary of State for Public Affairs for the U.S. government.
Split into simpler sentences: The Peace, about the formation of the U.N. at the Dumbarton Oaks Conference. The film was produced by the NFB at the suggestion of Archibald MacLeish, then-Assistant Secretary of State for Public Affairs for the U.S. government.