Answer:
the Columbian exchange
Explanation:
what the passage says is describing the Columbian exchange back in early-1400s and early-1600s
( i hope this helps )
The collapse of the Indus Valley Civilizations can be attributed to the following factors. One, the trade networks declined and disappeared. This meant less work for traders and manufacturers. Two, changes in geography that caused the rivers to either dry up or change direction Three, the people abandoned the major cities. Four, without trade and access to water, people succumbed to disease and starvation.
If the question is true or false, then true!
The answer is 2/3rds of the employees
