Which of the following contributed to the collapse of command economies in communist countries around the end of the Cold War?

The line dividing regions 4 & 5 on this map is known as the "fall line." which of these represents an important factor of the fall line in georgia history? a) it was the first boundary of the georgia after it became a state. b) it was an important source of power due to a change in elevation. c) it was once home to major cities that have since become abandoned. d) it was a dividing line between the united states and native american territories.

What are new social classes emerged due to advancement in agriculture ?

Why did people from washington ride out to manassas junction to view the battle?