I really think the answer is C but to be even more sure i think it would be better for u to go back and look up the words transient and prudence for more context clues
The answer would be mixed economy
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.
A primary source is someone who was there at the time the event happioned or an artifact from that time line
secendairy source (sry 4 my bad spelling) is something from after the event or writen from after the event