I’m trying to figure that too!!
Answer:
In June 1863, Confederate general Robert E. Lee and his Army of Northern Virginia invaded the North in hopes of relieving pressure on war-torn Virginia, defeating the Union Army of the Potomac on Northern soil, and striking a decisive blow to Northern morale.
Pen, its more professional
The best cause is erosion creating waves and pushing forward the line where the sand starts
<span>I would say its C) the fall of Communist states in Europe</span>