By 1970 these differences had not been resolved, and Brezhnev postponed the 24th Party Congress and the Ninth Five-Year Plan (1971–1975). The delay in resolving these issues led to rumours circulating in Soviet society that Kosygin, or even Brezhnev, would lose their posts to Podgorny. By March 1971 it became apparent that Brezhnev was the leader of the country, with Kosygin as the spokesman of the five-year plan and Podgorny's position within the collective leadership strengthened.