Which of these fits gap (i)?

Directions: Complete the passage by selecting the correct option from the list for the corresponding gap.

India has a long record of producing great souls who gave new thoughts to mankind, to show it the way, the right path. Gautama Buddha is the most ___(i)___ example of this. His entire life and acts transformed into one ___(ii)____ light named Buddhism which is still burning bright and going strong. He made India the only country that conquered scores of ___(iii)___ without sending a soldier. His ___(iv)___ still rule over hundreds of millions of hearts and minds the world over.