Take the following as truth: Before Paris became the national capital, it was the home of the medieval dukes of the region that is still known as the Ile-de-France ' which, by gradually asserting itself over other duchies such as Burgundy and Normandy, imposed its name on the whole country.
Then the following statement: "Paris became the national capital in the twentieth century." is true, false, or inconclusive?
Answer: Inconclusive