Русско-англо-русский юридический словарь

A political campaign is an organized effort which seeks to influence the decision making process within a specific group. In democracies, political campaigns often refer to electoral campaigns, by which representatives are chosen or referendums are decided. In modern politics, the most high-profile political campaigns are focused on general elections and candidates for head of state or head of government, often a president or prime minister. (Wikipedia)

The investigation came after a rival party, the Institutional Revolutionary Party (PRI) accused Morena of using the trust to channel public funds to its electoral campaign. (BBC News)