5 People Who Changed the World

The video explores the impact of lesser-known historical figures: Cyrus the Great's religious tolerance preserved Judaism; Fritz Haber's innovations in agriculture and chemical warfare; Thomas Midgley Jr.'s environmentally harmful inventions; Norman Borlaug's Green Revolution saving billions from hunger; and Stanislav Petrov's decision averting nuclear war. It highlights how individuals can significantly influence history beyond the well-known conquerors and leaders.

What was the significant act of Cyrus the Great that impacted the Jewish community?

• Declaring war on Egypt

• Allowing Jews to return to Judea

• Conquering Jerusalem

• Building the First Temple

What is Fritz Haber most known for in the field of agriculture?

• Inventing the tractor

• Introducing crop rotation

• Creating organic fertilizers

• Developing the Haber Bosch process

Which harmful substance did Thomas Midgley Jr. add to gasoline to improve engine performance?

• Tetraethyl lead

• Sulfur

• Ethanol

• Methanol

What environmental issue was exacerbated by Midgley's invention of chlorofluorocarbons (CFCs)?

• Deforestation

• Ozone layer depletion

• Water pollution

• Soil erosion

What was Norman Borlaug's major contribution to global agriculture?

• Developing organic farming

• Leading the Green Revolution

• Inventing the combine harvester

• Introducing hydroponics

In what year did Stanislav Petrov prevent a potential nuclear war?

• 1979

• 1983

• 1991

• 1962

What was the main lesson highlighted by the actions of Stanislav Petrov?

• The inevitability of war

• The necessity of technological advancement

• The impact of individual decisions

• The importance of military strength