Concerning the evolution of human geography in the 20th century, which statements are true?

A) The quantitative revolution dominated human geography in the 1950s.
B) Behaviouralism became prominent during the 1960s.
C) Feminism and humanism approaches became significant during the 1990s.
D) Radical geography emerged as a response to contemporary socio-political issues in the 1970s.

Select the correct answer: