Greek and Roman thought were highly influential in the development of governmental theory of several nations, most notably England and the United States. This best illustrates -

A. The diffusion of communism

B. The diffusion of democracy

C. The diffusion of monarchy

D. The diffusion of theocracy

Correct answer is B. The diffusion of democracy .

Explanation:

Option B is the correct one as the democratic principles that have developed in this countries have their roots in the Ancient Greece and Rome.

Option A is not correct as this countries fought to prevent the principles of communism.

Option C is also not correct as United States removed monarchy during the Revolution.

Option D is correct as theocracy was never accepted in those countries.