Margaret Thatcher played an important role in Britain's history primarily because she
A. acted as secretary general for the United Nations.
B. was the first queen of England in the modern era.
C. provided crucial leadership for Britain during World War II.
D. was Britain's first woman prime minister.
Margaret Thatcher played an important role in Britain's history primarily because she D) was Britain's first woman prime minister. She was prime minister from 1979 to 1990 and the Leader of the Conservative Party. Thatcher was the longest ruling prime minister up to date and the only woman to have ever served in office.
