Answer: Any major environmental change, such as deforestation, flooding or droughts due to a river changing course, could have had disastrous effects on Harappan society, such as crop failures, starvation, and disease.
Answer:
The Preamble of the U.S. Constitution—the document’s famous first fifty-two words— introduces everything that is to follow in the Constitution’s seven articles and twenty-seven amendments. It proclaims who is adopting this Constitution: “We the People of the United States.” It describes why it is being adopted—the purposes behind the enactment of America’s charter of government. And it describes what is being adopted: “this Constitution”—a single authoritative written text to serve as fundamental law of the land. Written constitutionalism was a distinctively American innovation, and one that the framing generation considered the new nation’s greatest contribution to the science of government.
The sinking or Lusitania on 7 May 1915 was a significant event during WW1. It was a passenger liner sunk by German submarine during World War 1. It lead to America declaring war on Germany.
