Answer: Korean Kingdom of Baekje
Step-by-step explanation:
Although as with many versions of history, there are discrepancies, a version widely accepted is that of 8th Century Historian Nihon Shoki. He stated that Buddhism was introduced to Japan by a diplomatic mission from Korean Kingdom of Baekje in the 4th or 5th century. They went bearing gifts among which were the image of Buddha and several Buddhist texts and classics.