It believe it's the Pythagorean Theorem, named after Pythagoras in ancient Greece 2,500 years ago
The secret bombing of Cambodia lasted 4 years. Most experts estimate that 100,000 Cambodians lost their lives, with an additional two million people becoming homeless.
Answer:
The development of new cities-Louisville, Cincinnati, St. Louis, and Buffalo-away from the Atlantic coast was possible because they had access rivers that made it easy for them to trade.
