Question: The man who developed Peelian principles served as Prime Minister of which nation?
Sentence (from "Robert Peel"): Sir Robert Peel, 2nd Baronet, {'1': ", '2': ", '3': ", '4': "} (5 February 17882 July 1850) was a British statesman and member of the Conservative Party who served twice as Prime Minister of the United Kingdom (1834–1835 and 1841–1846) and twice as Home Secretary (1822–1827 and 1828–1830).
Relevant evidence: Yes