Complex sentence: The Glassboro Summit Conference was a 1967 summit meeting, held during the Cold War, between United States President Lyndon B. Johnson and Soviet Union Premier Aleksei Kosygin.
Split into simpler sentences: The Glassboro Summit Conference was a summit meeting, held in 1967 during the US/USSR Cold War. Ths participants were the United States President Lyndon B. Johnson and Soviet Union Premier Aleksei Kosygin.