Complex sentence: The Eisenhower campaign made extensive use of female campaign workers; these workers made phone calls to likely Eisenhower voters, distributed "Ike" buttons and leaflets, and gave parties to build support for the GOP ticket in their neighborhoods.
Split into simpler sentences: The Eisenhower campaign made extensive use of female campaign workers. These workers made phone calls to likely Eisenhower voters, distributed "Ike" buttons and leaflets, and gave parties to build support for the GOP ticket in their neighborhoods.