Freedom is:

a. When external constraints on the individual are absent. She/he can make individual decision and act in an autonomous way.

b. Expanding the ability of people to freely express themselves and develop their potential.

Yes, there is a relationship between freedom for the individual and freedom for the nation.

a. A free nation enable their members to develop their capabilities with minimum social constraints.

b. An individual is free only if he/she resides in a free nation.

c. A nation is said to be free if it has freedom as a principle and applies the same to its citizens.