Basically it's impossible to add to the question you have to prove
It’s a democracy.
People vote for a party and this party is governing the country.
Answer:
1. People were poor and had hard lives.
People did not like the government and were tired of WW1
2. Alliances among European nations.
Turkish Jonturkler, coalition of various reform groups that led revolutionary movement against the authorial regime of Ottoman sultan Abdulhamid II, which culminated in the establishment of a constitution government.
If you mean supreme leader,Dictatorship does for example Kim jong un is a supreme leader and a dictator of North korea