Cavour and Bismarck used poitics, he knew he couldn't take down Austria on his own so he got help from the Napolion the third. Even though the French backed out he still got Northern Italy back.
The U.S. expanded due to them winning the war
Answer is: natural rights, john locke advocated for natural rights.
He was known as the common man because he didnt grow up rich and privileged like the other presidents. Common people thought he was like them