Answer:
In the late 1800s, the United States experienced a tremendous growth in industrialization. Led by oil, steel, and other manufacturing industries, the United States had become the world’s leading producer of manufactured goods by 1900.
Explanation:
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.