With the Korean war ending in a stalemate, the United States would effectively strengthen ties with South Korea. In doing so the United States had implemented military force in South Korea. Now, our relationship remains to be very beneficial as the U.S gains a trade partner as well as a military ally while the Koreans gain a strong military ally with good trading imports.
Brought in through trading because it brought infested rats and fleas
Many scholars believe that the collapse of the Indus Valley Civilization was caused by climate change. Some experts believe the drying of the Saraswati River, which began around 1900 BCE, was the main cause for climate change, while others conclude that a great flood struck the area.
According to another theory by British archaeologist Mortimer Wheeler, a nomadic, Indo-European tribe, called the Aryans, suddenly overwhelmed and conquered the Indus River Valley.
