Answer: Development of irrigation systems to provide food for themselves
Explanation:
The Indus River valley achievements could be seen in how they developed their irrigation system to provide food for themselves. Enlisted are the following achievements they made;
1) They developed a uniform weight and measures.
2) They were the first to bring about urban sanitization systems.
3) Transportation and trade was their major goal
4) Their art was highly advanced.
Question: Why did the United States negotiate treaties with the Plains Indians?
Answer: In both the United States and Canada, negotiated treaties were the instrument for obtaining Indian lands and more generally for extending federal control over Native peoples, while at the same time recognizing the sovereignty they retained.
Explanation: I hope that this helps you! Hope you have a good day!
A Judicial Review is a <span>review by the US Supreme Court of the constitutional validity of a legislative act.</span>
