When her husband was involved in politics, Ruth Perry engaged in the electoral campaign and tried to get women to vote for him. After her husband died, the party asked Ruth to run as senator for their home district. In 1985, Perry won a seat in the Liberian Senate as a Unity Party candidate. In response to Samuel Doe's presidential election after calling elections, Unity Party office-holders and other official opposition politicians boycotted the Senate in protest, asserting that the Doe government was illegitimate. Perry did not join the boycott and became the lone member of the opposition in the Assembly. "You can't solve the problems by staying away," she said. She served until 1989. Afterwards, Perry launched a retail business and became active in civilian groups such as Women Initiative in Liberia, Women in Action for Goodwill and the Association of Social Services that sought an end to the growing Liberian Civil War.