Answer:
They provided trading routes, also helped people travel, it provided electricity through hydroelectric dams, and last but not least, it was a source of drinking water.
Explanation:
I know you said 2, but I gave you 4 for incase you want to use more.
Socrates Plato and Aristotle
Answer:
The events that occurred in Europe and Asia that led to change during the Middle Ages are :
1. The <em>invention of the modern sail</em> revolutionized trade.
2. The <em>creation of banks and paper money</em> and
the rise of the middle class and individualism made possible by trade.
3. Power was no longer exerted by the Church alone as trade had made a <em>rich class of land owners</em> and <em>tax payers </em>who wanted power also.
Hope it helps.
<span>It showed the world that the US was ready to expand its empire and gain</span>