Question Detail Who is also known as the founder of scientific socialism ? Karl MarxLeninRousseauEngels Answer: Option A Similar Questions : 1. Which is considered as oldest civilization of the world ? Mesopotamian CivilizationEgyptain CivilizationHarappan CivilizationChinese Civilization Answer: Option AExplanation:Mesopotamian Civilization (4000 BC - 6th Cen. BC) Egyptain Civilization (3400 BC - 1000 BC) Harappan Civilization (2500 BC - 1750 BC) Chinese Civilization (1765 BC - 250 BC) 2. What is the name of autobiography of Adolf Hitler ? First AttackMein KampfMy Spirit Ray of Hope Answer: Option B 3. Russian revolutionary, who founded the Communist Party was Karl MarxStalinLeninTrotsky Answer: Option CExplanation: 4. Who was the first to sail round the world ? Francis DrakeColumbusMagellanVasco da Gama Answer: Option CExplanation:Magellan was a Portuguese sailor who was the first to sail round the world. 5. Rivers Tigris and Euphrates are associated with ? Mesopotamian CivilizationEgyptain CivilizationHarappan CivilizationChinese Civilization Answer: Option AExplanation:Note : Modern area of Mesopotamian Civilization is Iraq. Read more from - World History Questions Answers