Https://www.press.muni.cz/media/3019066/answers_to_all_questions.pdf
Buddhism was the first of the great missionary faiths to take advantage of the mobility provided by the Silk Road to extend its reach far beyond its native ground. From its origins in north eastern India, Buddhism had already spread into the lands that are now Pakistan and Afghanistan by the 1st century BCE.
All of Darwin’s observations would prove this theory true.
