Answer:
B. four-crop rotations
Explanation:
the four-crop rotations was invented in the 18th century which means from January 1, 1701 to December 31, 1800. (1700s).
Is that an assignment or what
The Seine river
Did you hear about the guy who dived in to a river in France? He was in-Seine!
Insane. Get it? No? OK...
