Step 1: Identification of crops.
Buchanan recommended crops that had high demand and economic value.
Step 2: Examples from the source.
The crops suggested were cotton, indigo, and sugarcane.
Step 3: Reason for recommendation.
These crops were profitable and could support trade and economic growth.
Step 4: Conclusion.
Thus, commercial crops like cotton, indigo, and sugarcane were encouraged for expanding agriculture.
Two statements are given below as Assertion and Reason (R). Read them carefully and choose the correct option.
Assertion : Harappa was a well-planned city.
Reason (R): It had a well-planned drainage system.
Match Column-I with Column-II and choose the correct option: 
