I recomend not using Wikipedia since not all its facts are true so maybe if you use a wesite with .org in it , it's better since the facts they give are way more true and logical.
The treaty created war repaarations that led to money problems in Italy. Afterwards Mussiliini the dictatore took over Italy. hope it helps :)
Answer: chen seng? sorry if its wrong.
The congress was very powerful at the time and needed to be put in line. The two branches were created to control it. The remaining two branches were not specifically enumerated as thoroughly because they were still weak at the time and their power developed over time.