<span>
</span>
<span>The
most important and revolutionary mechanical innovation of the medieval
agricultural revolution was the plough. During the medieval age, the plough
fundamentally improved and was used with multiple oxen teams. This enabled more
land to be ploughed and crops planted.</span>
Answer: Don't Listen to the other answers. The Washington Monument in D.C. is an Obelisk modeled after ancient Egyptian Monuments.
Explanation:
