Between 1575 and 1582 Oda Nobunaga was sorely tested by the most powerful opponents to his domination; The Ikko Ikki Buddhists, the Takeda Clan and the Uesugi Clan. In the end, however, it might have been an unpaid dinner tab that killed him.
In 1570 Oda Nobunaga faced a dangerous combination of rival daimyo and religious fanaticism. He decided to treat Buddhist rivals to his power the same way he did anyone else. With fire.
Oda Nobunaga took Kyoto in the name of the Shogun and the Emperor in 1568. By 1570 the Shogun knew that he served at Nobunaga’s pleasure and little else. Nobunaga almost lost it all to traitors and two bullets from a ninja’s arqubus andThe Asakura and Asai daimyo took to field against Nobunaga in the famous Battle of Anegawa. Enjoy! (frug.podbean.com). Here is the script.
Oda Nobunaga had the luck, the allies, the staff, the location, the armies and the validation to make a move on Kyoto while the other major Daimyo kept busy fighting amongst themselves. He also had an ego to match his ambition. Here is a map of the provinces of medieval Japan and the the script for the episode.