Short answers, pulled from the story.
Hannah Arendt defines political freedom as the capacity to act and begin something new within a community. She traces this concept to ancient Greek politics where freedom was historically inseparable from political action. Only those freed from daily survival could enter public affairs.
Isaiah Berlin defines negative political freedom as the absence of unreasonable external constraints on action. This perspective suggests liberty is simply freedom from coercion whether it comes from a state, a group, or an individual. It focuses on the freedom from interference rather than the power to shape one's life.
Milton Friedman argues that political freedom cannot exist without economic freedom. He believes the market is the essential mechanism for securing individual liberty. This view suggests that economic freedom is a prerequisite for political freedom.
Alasdair MacIntyre theorizes freedom in terms of social interdependence with other people. He suggests that the idea of the isolated individual is a myth and that liberty is a triadic relationship involving the agent, constraints, and goals. This perspective challenges the notion that freedom is solely about the self.
The environmental dimension of political freedom argues that political freedoms should include constraints on the use of ecosystems. Environmentalists contend that activities like pollution violate other groups' liberty to not be exposed to harm. This perspective suggests true political freedom must account for the collective impact of individual actions on the environment.
John Dalberg-Acton states that the most certain test for whether a country is really free is the amount of security enjoyed by minorities. This principle suggests political freedom is not merely the absence of oppression for the powerful but the presence of protection for the vulnerable. It is closely connected with civil liberties and human rights in democratic societies.