The study of how society uses its limited resources
Answer:
As famous as Marco Polo is, he didn't invent anything. However, other inventions such as the compass and the boat influenced Polo. Marco Polo used the compass on all of his travels but especially to reach Asia.
The Black Sea and Aegean Sea (Hopefully this is correct!)
It was allocated for Lakota Sioux to settle, but the US government maintained mining rights.
That is the answer.
The 14th amendment has become the legal basis for special education