Big changes are afoot in Edo in the wake of Shigeshige's funeral and Nobunobu's appointment as shogun.
I'm sure it was partly because 
he trusted his retainers,
أنا واثقة أن السبب كان ثقته بحراسه
Imagino que fue en parte
 porque confiaba en ellos,
Em parte era porque ele 
acreditava nos seus servos