Sentence:  As part of the same arrangement , Torrio had , in the spirit of peace and good will , and in exchange for armed support in the April election <WSD>campaign</WSD> , bestowed upon O ' Banion a third share in the Hawthorne Smoke Shop proceeds and a cut in the Cicero beer trade . 
Meaning of the word marked with <WSD> tags:  a race between candidates for elective office