 Complete the following phrase:  Mick started work at age 14 at the Gateside Colliery, and continued to work as a miner for the next 25 years. He followed his father into the Communist Party and the National Union of Mineworkers NUM, remaining a member of both the Communist Party, until its dissolution in 1990, and the NUM, all his life. He was an implacable defender of both and supported the 