Answer:
If I can remember, it was to find more spices and try to get to India by sailing in the other direction (west).
It gave them a sense of regularity
C, mountain ranges.. trust me on this one lol.
In the cartoon, now-prosperous immigrants object to further immigration to America. The meaning behind the prosperous immigrants' shadows is that there is an underlying secret to how the immigrants became prosperous or their lives are in danger because they are more prosperous than the locals.
He was the first to develop a process to manufacture steel.
I hope this helps!