Because they are separated from the rest of the world
Answer:
The two superpowers involved in the Cold War are United States and the Soviet Union.
Explanation:
The explanation is that's history.
Answer:
I provides a real world example.
Explanation:
The Kansas-Nebraska act of 1854 said any free state above the 36,30 line can choose slavery or not. Abraham Lincoln was outraged. He left his political party and started the Republicans.