Who was the fourth chief or justice

How did many americans respond to the labor strikes of 1919? a.) many felt the strikes were started by communists. b.) many were sympathetic to the demands of labor unions. c.) many thought the government should not intervene.

The committee of correspondence: a)directed colonial militias b)organized boycotts of british goods. c) raised funds for colonial legislatures d) spoke with foreign governments.

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