MCQ Indian History The decline of the Indus Valley Civilization is most widely believed to have resulted from: Mayank Singh Verified individual / creator 1w The decline of the Indus Valley Civilization is most widely believed to have resulted from: A single foreign invasion ◯ Only a massive earthquake ◯ Multiple environmental and socio-economic factors ◯ A volcanic eruption ◯ 2 answered · Pick your answer to see the results. ▲ 2 ▼