Why is the separation of government powers a requirement for a society to be free?

Once the plague became airborne, how could it then be spread?

Which situation would be considered an example of the freedom of association? a. three students write a letter to a local newspaper demanding that a teacher be fired. b. a group forms on a college campus to support a particular political candidate. c. an individual purchases a membership to a local gym. d. a religious organization buys several local lots in order to construct a new church building.

What are the biggest challenges facing the average american citizen today? explain.