Answer:This period of guerrilla warfare is referred to as Bleeding Kansas because of the blood shed by pro-slavery and anti-slavery groups, lasting until the violence died down in roughly 1859. Most of the violence was relatively unorganized, small scale violence, yet it led to mass feelings of terror within the territory.
Explanation:
He was commissioned by the Portuguese king to find a maritime route to the East. His success in doing so proved to be one of the more instrumental moments in the history of navigation.
1) Tigris and Euphrates river valley is where the Mesopotamia civilization began. Mesopotamia means "between the rivers". It was a Sumerian-Babylonian civilization.
2) Nile river valley was home to agricultural settlers in 5500 BCE. and its Egypt civilization started to grow around 3100 BCE.
3) Indus river valley. Civilization arose in 2600 BCE but fell due to its environment. Currently identified as Pakistan and India.
4) Yellow River valley in China. Civilization emerged in 1700 BCE and was known as the Huang-He River Civilization.
can you take a picture so it's more organized and easier to understand?
Focused on private rather than public affairs