He was in a weak position and relied on the coalition with other parties that could easily unravel and force King Victor Emmanuel III to dismiss him.
The obvious question is why a majority of deputies from other parties voted for the law knowing that one way or another Mussolini would gain the 25% required.
The Catholic Italian People's Party was divided and leaderless after Mussolini engineered the dismissal of Luigi Sturzo.
While an election was held straight afterwards under the new rules, the result has to be seriously questioned given the widespread violence against Mussolini's opposition, along with voter intimidation and electoral fraud.
[3] The widespread voter fraud was denounced by the leader of the Unitary Socialist Party Giacomo Matteotti in a speech to the Chamber of Deputies on 30 May 1924.