Mathematics, mostly.
They also did groundbreaking work in the following fields:
Astronomy
Philosophy
Geography
Sciences
Technology
Answer: It is different because everyplace on earth is different distances from the sun.
Explanation:
Answer:
United States and the Soviet Union.
Explanation:
The Soviet Union was trying to spread communism all over Korea. The United States joined in with South Korea to fight against the communist North Korea.
Answer:
Pacific Railroad Company would start building in Sacramento
Explanation:
Cairo, since it is in the Nile Delta area, which is by definition not Nubia