sentences:  In 1898 he was one of the chief negotiators on behalf of the colliers in the Welsh coal strike of 1898, and although the miners were unsuccessful in their action it saw the creation of the South Wales Miners' Federation of which Abraham became president.Before his re-election at the January 1910 general election, he and most other Lib–Lab MPs from the Miners' Federation of Great Britain joined the Labour Party.He held the Rhondda seat until its abolition at the 1918 general election, when he was elected for the new Rhondda West constituency.