One characteristic was how society was controlled by a ruling elite of powerful clans.
Steam Boat
Riding Plow
Telegram
Milling Machine
Explanation:
Led by Bolshevik Party leader Vladimir Lenin, leftist revolutionaries launch a nearly bloodless coup d'État against Russia's ineffectual Provisional Government. Bolshevik Russia, later renamed the Union of Soviet Socialist Republics (USSR), was the world's first Marxist state.
He didn't care, he only cared for himself