What did hitler stalin and musslioni do to stay in power?

Hitler - Rose to become the leader of the Nazi Party in Germany, and capitalized on the fears and misfortune of the German people

Stalin - he kept his power by expanding and centralizing the Soviet industry, building up the Soviet military, and banishing anyone who opposed him to Siberia.

Mussolini - formed the Italian Fascist Party, and after gaining enough support, marched on Rome and was made Prime Minister. He stayed in power by maintaining order that was lost because of World War I