The super continent was named Pangaea.
That's not a question...and it doesn't belong in history, it belongs in Math.
Explanation:
The term "Postmodern" begins to make sense if you understand what "Modernism" refers to. In this case, "Modernism" usually refers to Neo-Classical, Enlightenment assumptions concerning the role reason, or rationality, or scientific reasoning, play in guiding our understanding of the human condition and, in extreme cases of Postmodern theory, nature itself. Postmodernism basically challenges those basic assumptions.
There are MANY dangerous countries where people are killed or even enslaved and tortured. So yes America SHOULD provide refuge for immigrants.