Hazel shares her favorite book, An Imperial Affliction, with Augustus, and together they obsess about the unsolved ending. Augustus manages to somehow get through to the author and when Hazel emails him, he invites her to come to Amsterdam to discuss the ending of the book. A fan's dream come true.
Margaret Thatcher was the United Kingdom's first female prime minister, and she proved to be one of the most influential leaders of the twentieth century
Insert the comma between the word ‘Minister’ and ‘and’