Germany was unhappy because it lost WWI, and lost land and priveledges due to Treaty of Versailles. Italy was unhappy because they joined the Allies in WWI at the last minute, hoping to gain land after winning the war.
The Andes, Alps, and Rocky Mountains are some examples. It's usually where the snow line of mountains begins.
2.David
He liked to write poems and played the harp.
Im almost positive its the south. :)