campaigned
v. B2 Upper Intermediate US //kæmˈpeɪnd// UK //kæmpˈeɪnd// cam·paigned
v. to work hard to support a political candidate, a law, or a cause. You campaign when you try to persuade people to agree with you or vote for something.
v. to engage in organized public activity to promote a political candidate, policy, or social cause. Transitive when referring to the specific issue or candidate; intransitive when referring to the general activity.
She campaigned for the new park project.
The group campaigned across the state to raise awareness about water pollution.
The senator campaigned tirelessly on a platform of economic reform, visiting every district to connect with voters and address their concerns directly.
Usage
Can be used transitively (campaign a cause) or intransitively (campaign for change).