D is one way to tell a chemical change has occurred
Answer:Civilization developed in ancient India between 2500-1700 BC in and around the Indus River Valley. Archaeological excavations in the 1920s uncovered the cities of Harappa and Mohenjo-Daro and other villages scattered from the Indus all the way to the upper Ganges river system.
Explanation:
here u go
The answer is D because the colonies weren't truly ready to break away