Answer:
c
Explanation:
Waterways promote trade and travel throughout the region.
C. The United States accepted the 49th parallel as the border for the territory .
Answer:
c) opportunity cost
Explanation:
it means the value of the next highest valued alternative use of that resource. An example is, you spend money and time to go and watch a movie , you can never spend that time you and money at home reading a book and you cannot spend the money on something else
Answer:
He believed that Islam might be understood through the study of philosophy.
Explanation: