Which practice aroused people’s interest in mysterious powers prior to the rise of spiritualism? a) astrology b) metaphysics c) psychokinesis d) mesmerism

The correct answer is D) mesmerism

Mesmerism is a non-verbal act that uses actions like fascination, gaze, strokes and other methods to instate trance and shift the energy field within the person’s body. It is named after Franz Anton Mesmer, a pioneer of mesmerism in the 1800’s.

They made a checks and balance system to equal power within the branches. the "check" meant that one branch would watch one branch and "balance" them if they were too powerful. if you want more info on this, i would just google checks and balance system.