The term 'Whig's Rival' refers to the political party known as the Tories. The Tories were a British political party that existed from the 17th century until the mid-19th century and were the main rivals of the Whigs. They were opposed to the Whigs on many issues, such as taxation, foreign policy, and the role of the monarchy. The Tories were also known for their support of the Church of England and their opposition to the French Revolution.