Meaning of CAMPAIGN in English
1》 a series of military operations intended to achieve an objective in a particular area.
2》 an organized course of action to achieve a goal.
■ verb work in an organized and active way towards a goal.
C17 (denoting a tract of open country): from Fr. campagne , via Ital. from late L. campania , from campus (see camp 1 ).
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004