From what I know of the book, it was a critical success but did not resonate with the public the way Sinclair wanted it to. The government took notice and tried to better regulate the meat industry. Working people, however, were not drawn to it the way had hoped.
The branches work against eachother when it comes to laws. The legislative branch makes laws, but the President can veto those laws with a Presidential Veto. The legislative branch makes laws, but the judicial branch can declare those laws unconstitutional.
Answer:
fasting during the month of Ramadan