three reasons should be abolished.
-Because of too many corruptions
-Because of the lag of the directions.
-Because of the duplicates of too many senates so it can lead to inefficiencies in the legislative process.
Three reasons should be kept.
-They can contribute to stability and continuity in government.
-they can provide better representation for minority groups or less populous regions
-they can balance to helps ensure that legislation is thoroughly debated and scrutinized before enactment.