The reason for why they wanted to come is:
-they were looking for new land, new resources that they wouldn't have to compere for with other humans and which would be potentially better
The reason why they could cross the sea from Asia to America is that the sea was either frozen over or more shallow (because it was frozen in other places) - which made the crossing easier.
Tropical cyclones are like giant engines that use warm, moist air as
fuel. That is why they form only over warm ocean waters near the
equator. The warm, moist air over the ocean rises upward from near the
surface. Because this air moves up and away from the surface, there is
less air left near the surface.
The Web means the World Wide Web (WWW) or in modern terms the Internet.
The EU (European Union) is not created to compete with any other economy in particular: we can exclude the options which mention United States and Asia.
It was rather create to boost the economy of the member states by creating a common market and decreasing the obstacles: the correct answer is:
<span>create a single regional economy among its members
</span>
C because it is a test you take for receiving college credit without taking college courses