Complex sentence: These non-Anglican Protestants continued as a political factor, with its leaders moving toward what became the Whig party, will the country gentry continued to form the basis of support for the Church of England, and for what became the Tory party.
Split into simpler sentences: These non-Anglican Protestants continued as a political factor, with its leaders moving toward what became the Whig party. The country gentry continued to form the basis of support for the Church of England, and for what became the Tory party.