You can't have a revolution without muscle, and nobody during the Bakumatsu had more muscle than Saigo Takamori. See how the big brother of the Meiji restoration helped take down the Shogunate!
the bonds between samurai from 
Satsuma were very strong.
los samuráis de Satsuma eran muy unidos.
os laços entre os samurais
de Satsuma eram fortes.