Define the term campaign​

Campaign is defined as a series of organized actions which are done for one purpose. An example of a campaign is a group canvassing for a political candidate running for office. To participate in, or go on, a campaign. A series of military operations undertaken to achieve a large-scale objective during a war.

herodotus taught this. herodotus was an ancient greek historian who was born in halicarnassus in the persian empire. he is known for having written the book the histories, a detailed record of his "inquiry" on the origins of the greco-persian wars.