In the 2016 European Union (EU) membership referendum, Johnson rose to prominence as a leader of the Vote Leave campaign, which he won. After the referendum, Theresa May nominated him as foreign secretary; he resigned two years later in protest over the Chequers Agreement and May's Brexit strategy.In 2019, Johnson was elected leader of the Conservatives and named prime minister. He reopened Brexit discussions and controversially prorogued Parliament at the beginning of September; the Supreme Court found the measure unconstitutional later that month.In the book A BIG RELIEF TO THE UK, you`ll learn:The life and political career of Boris JohnsonBoris Johnson controversiesReasons for the resignationCandidates to succeed Boris Johnson following his resignation