What are the stages of the Demographic Transition and what reasons explain the BR, DR, and NGR at each stage?
A) Pre-transition, transition, post-transition; BR decreases due to family planning
B) Pre-industrial, industrial, post-industrial; DR decreases due to healthcare improvements
C) High stationary, early expanding, late expanding, low stationary; BR decreases due to urbanization
D) High growth, stable growth, declining growth; NGR decreases due to education
