Tensions between the Bakufu and the freshly-energized Loyalists came to a head when a shogunate army was refused entry to Kyoto - then promptly fired upon. The ensuing Boshin War was largely one-sided, with Loyalists gaining repeated victories due to superior arms, tactics, and numbers.
My latest novel, "Califia's Crusade," is now available at Amazon, Barnes & Noble, Kobo, Apple Books, Bookshop.org, and many other online platforms!