Yo can I get someone to help me?

All of the following are true of humanism during the renaissance except a. it was a new way of looking at the world c. it focused on religion b. it caused ancient roman and greek texts to become popular d. it dealt with emotion

Those who resisted the mongol invaders were attacked and their towns burned; those who cooperated with them also were attacked and had their towns burned. were treated fairly. were taken into the tribes and treated as mongols. were sent away to find new homes.

Why would the free rider problem prevent a private business from investing in the building of a city sidewalk?