Well..as far as i learned from my knowledge the answer would be in the past, the military and the FBI have prevented a number of terrorist attacks.
Secondly, wasn't there suppose to be an option answers for your question ?
Answer:
The Answer is two
The building of highly functional multi-story buildings
Explanation:
The Indus civilization was between 25000 BCE to 1700 BCE. Lasting from 3300 BCE to 1300BCE, Indus civilization also called the Indus valley civilization was an ancient civilization located in what is today called Pakistan and some part of INDIA. It is the earliest know urban culture of the Indian subcontinent at the bronze Age, South Asia. At it peak, the Indus valley has a population of about five million people. Some called it the Harappa civilization. Large cities of Mohenjo-daro and Harappa were built in the area
A. Have illusions and hallucinations
Answer:
They made money working in the country
Explanation: