Answer:
Over the course of the war, 2,128,948 men enlisted in the Union Army
It was 17% of slaves. Because during travel some died crossing the route. Like Antarctica. Since they didn't have much clothing they died from frost bite or hypothermia. <span />
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.
