1 Points MULTIPLE CHOICE
Question 14
Why did slavery first became widespread in the New World?
А
West African slave traders needed new markets for their growing business.
B
The Spanish wanted cheap labor for plantations and mines.
1 Points

B, it isnt A my bad

Explanation:

crop rotation kepy different plants in the soil instead of once constintly. when switching out plants you have different nutrients being absorbed at different speeds and different roots growing differently therfore the spoil and water flow have to adapt and carry fresh nutrients to carry the constant changes that were going on in the soil.