Complex sentence: Wooler was an active supporter of Major John Cartwright (political reformer) and his Hampden Club movement, and in 1819, he joined the campaign to elect Sir Charles Wolseley to represent Birmingham in the House of Commons.
Split into simpler sentences: Wooler was an active supporter of Major John Cartwright (political reformer) and his Hampden Club movement. In 1819, he joined the campaign to elect Sir Charles Wolseley to represent Birmingham in the House of Commons.