Complex sentence: Clark received his first ministerial posting as a Parliamentary Under-Secretary of State at the Department of Employment in 1983, where he was responsible for moving the approval of regulations relating to equal pay in the House of Commons.
Split into simpler sentences: Clark received his first ministerial posting as a Parliamentary Under-Secretary of State at the Department of Employment in 1983. At the Department for Employment, he was responsible for moving the approval of regulations relating to equal pay in the House of Commons.