To survive, a regime needs a genuine powerbase of believers (CR 149). (blog.politics.ox.ac.uk)
Simon Hughes, the health spokesman who has a huge powerbase in the party in London, wastes little opportunity in criticising Lib Lab co-operation, while Charles Kennedy, the party's former president, makes no secret of his disapporval. (theguardian.com)
The political powerbase changed very suddenly, paving the way for the Communist revolution. (blog.politics.ox.ac.uk)