It is becoming increasing popular around the world and many of the countries have had civil wars over it.
Russian Orthodox Christianity. So im assuming the answer is Christianity.
Massive retaliation, also known as a massive response or massive deterrence, is a military doctrine and nuclear strategy in which a state commits itself to retaliate in much greater force in the event of an attack.
The French Revolution lasted for 10 years. From 1789 to 1799.