It's said that the roots of many of the Martial Arts is in India, with Buddhist monks. While many sources give conflicting data, it's known that in Japan, the only places that were large enough to allow for indoor training during inclement weather, were the huge Buddhist temples. In fact, much of what is done in Martial Arts schools with a Japanese background comes from, and can be traced back to this connection.For example, white uniforms were the attire of Japanese Buddhist monks and lay-peo.