What Is the "Democratic Peace

What is the "democratic peace"?

A) Countries with democratic governments are less likely to experience civil unrest than countries with autocratic governments.
B) The increase in international organizations with democratic procedures has decreased the likelihood of war.
C) Autocratic countries avoid going to war with democratic countries.
D) Democratic countries are less likely than autocratic countries to go to war with any country.
E) Countries with democratic governments are less likely to go to war with other democracies.