Hammurabi is unfair because the Code of Hammurabi includes many harsh punishments. They also gave the government too much power, and the people had no chance to debate for justice.
People could use coal to power factories.
World War I effectively ended the Ottoman Empire.
The Allies who defeated the Ottoman Empire wanted to divide Turkey up as spoils of War but the Turkish National Park led by future President Mustafa Kemal Ataturk fought them off and eventually founded the new nation of Turkey with its capital in Ankara.
In mathematics, the sieve of Eratosthenes is a simple, ancient algorithm for finding all prime numbers up to any given limit. It does so by iteratively marking as composite the multiples of each prime, starting with the first prime number, 2.