Which political organization was Castlereagh instrumental in detaining?
United Irishmen
Young Ireland
Fenian Brotherhood
Orange Order
Answer
The United Irishmen were a political organization that sought to overthrow British rule in Ireland and establish an independent Irish republic. Castlereagh was instrumental in detaining the United Irishmen, and his efforts helped to suppress the organization and prevent it from achieving its goals.
The Castlereagh Chronicles: Unraveling the Legacy of Robert Stewart, Viscount Castlereagh