A bicameral legislature features "<span>D. two legislative bodies," since it is thought that this leads to more inclusive and democratic process. This is the system in the United States and Britain as well. </span>
Increase since we all need to cooperate
I believe it was due to irritation at the church for not allowing more independent thoughts, i hope it helps
The political structer changed during the gilded age because a lot of the leaders became rich during this era, causing them to be more invested in business politically.