Answer: Technology Indus people used or developed
They made sharp copper tools. They mixed copper and tin to make bronze. Harappans evolved some new techniques in metallurgy and produced copper, bronze, lead, and tin.
Explanation:
Answer:
They acted like a secret police force.
Explanation:
They acted as a secret police force. The Praetorians were known to engage in espionage, intimidation, arrests and killings to protect the interests of the Roman emperor.
Answer:
the American liner Housatonic was sunk by a German U-boat.
Answer:
Human activities have no effect on the physical environment, but the physical environment may affect human activities.
Explanation:
