<span>Europeans caused populations to decline severely in both places</span>
Answer:
D Benjamin banneker selected the sight because it was easy to survey
It helped stimulate trade
Classical civilizations developed vast empires, whereas early river valley civilizations did not.
This was indeed the case because classical civilizations were considered to have created the cornerstone of today's society and were therefore instrumental in creating modern day life in a way.
ANSWER B because he was panfilo de narváez