It is a metaphor for resource distribution proposed by the ecologist Garrett Hardin in 1974.
1. Love knows no boundaries.
2. There will be internal and external conflict between the two families.
Depends on how major or minor the errors are. If the errors are due to lack of knowledge then it isn't a sign of progress but if less errors are being made and they are small ones progress may be shown.
D. Draw a pie chart of the primary categories the content covers.
