Answer:
Greta Thunberg has attracted international attention since her lone demonstration outside the Swedish Parliament in August 2018. Her “school strike for the climate” has now grown into a global movement that has brought more than 10 million people onto streets worldwide to demand action on climate change.
He was called "the father of liberalism" 17th century philosopher. Also he was a doc too
It resulted in the deaths of 1.5 to 2 million people from 1975 to 1979, nearly a quarter of Cambodia's 1975 population ( c. 7.8 million).