What is the Stokes' theorem?

I- The Stokes' theorem relates a surface integral of a vector field to a line integral of the same vector field's curl.
II- The Stokes' theorem is a generalization of the Green's theorem.
III- The Stokes' theorem was discovered by Georges Stokes and communicated by letter to William Thomson (Lord Kelvin).
a) Only I is correct.
b) Only II is correct.
c) Only III is correct.
d) I and II are correct.
e) I, II, and III are correct.