Conversation so far:
When did Luigi Luzzatti become Prime Minister?
Luigi Luzzatti became Prime Minister of Italy on 31 March 1910.
Did Luigi Luzzatti have high approval ratings?
Luigi Luzzatti's administration, which lasted until March 18, 1911, was not very successful and fell over a proposed electoral reform.
Why was Luigi Luzzatti not successful as Prime Minister of Italy?
Although a man of first-class financial ability, great honesty and wide culture, Luigi Luzzatti had not the strength of character necessary to lead a government.
Did Luigi Luzzatti have any other problems while he was in office as minister of agriculture besides not having the strength of character to lead a government?
Luigi Luzzatti showed lack of energy in dealing with opposition and tried to avoid all measures likely to make him unpopular.
What did Luigi Luzzatti do when he had to deal with opposition as Prime Minister of Italy?
Did the voters like Luigi Luzzatti as a person?
Are there any other interesting aspects about the Luigi Luzzatti article besides his time as minister of agriculture?
During the First World War, Luigi Luzzatti was consistently pro-Ally and strongly supported Italian intervention, but his tone was on the whole pessimistic.
Was Luigi Luzzatti criticized during World War I?
Although Luigi Luzzatti did not take office while the war lasted, he was always consulted on all financial matters, and his sound advice was generally followed.
Was Luigi Luzzatti criticized after World War I?
Luigi Luzzatti became treasury minister in the second incarnation of the Nitti cabinet (March 12 - May 10, 1920), but did not resume office in the third.
Was Luigi Luzzatti successful in the role of treasury minister in the second incarnation of the Nitti cabinet?

Question: What was his biggest accomplishment while he was Prime Minister?
Self-contained rewrite: What was Luigi Luzzatti's biggest accomplishment while he was Prime Minister?