Erosion or weathering are both correct.
The chair<span> sets the </span>committee's<span> agenda, determining when—or in many states, whether—bills will be considered. Other responsibilities of a </span>committee chair<span>typically include: Calling the </span>committee<span> together to perform its duties. Presiding and maintaining order over meetings.</span>
I’m not sure on politics, however that time period is when society developed the middle class and started to have “rules” of society, like you aren’t supposed to wear this and don’t act this way, etc.
A Massachusetts boy of liberties... Fundamental orders of Connecticut