What was one factor that may have caused mayan cities to fall into ruin between 800 and 1000 BCE​

What factors allowed philip ii of macedonia to conquer the greek city-states?

Which one of these were common aspects of war efforts during world war 1 1. rationing 2. war bonds 3. using schools as military facilities 4. child soldiers 5. women working in factories circle all that apply

Why is the sons of liberty a difficult group to describe ?