If a doctor helps an unconscious person who had been in a car crash and he bills that person, does the person have to pay?
Yes, a quasi-contract was created and if the person didn't pay they would be unjustly enriched.
Why was Charles de Gaulle asked to return to France and create a government?
Fears of an army uprising because of the situation in Algeria caused the French people to crave a strongman to save them as they thought the liberal democratic government couldn't save them.
What led to the creation of fascism?
A mixture of revanchism, fear of communism, and nationalism led to the creation of Mussolini's ideology.