Cahokia was one of the largest and possibly the capital city of the people that are referred to as the Mound Builders. Cahokia's size and the large number of people that lived there led to the main issues. Bad droughts and poor harvests meant people couldn't eat.
It is noted that now 27 countries of the world peg their currencies to EURO. So the answer is EURO.
B settlers would determine whether a territory would have slavery
Answer:
Answer is (sahara desert)