Nomadic peoples of the steppes including the Uighurs, the Jurchens (Manchu), the Kazakhs, the Mongols, and the Xiongnu in the north and west of China borders on desert and range-lands. They were the nomadic invaders who controlled and contributed to the collapse of the Han Chinese between 206 BCE and 221 CE in China. The nomadic people controlled the extremely valuable Silk Road trade routes making them unfit to travel which were vital to the success of Chinese governments resulting in an adverse effect to the economy. During the prosperous times, the settled agricultural people of China paid tribute to the troublesome nomads or hired them to provide security from the other tribes while the Emperors offered Chinese princesses as brides to the "Barbarian" rulers to preserve peace.
The Code of Hammurabi, written in cuneiform. This promoted literacy in society. King Hammurabi ruled Babylonia from 1792-1750 BCE. Claiming that he received laws from the sun god, Shamash, Hammurabi declared a set of 282 laws known as Hammurabi's Code. These laws deal with all aspects of everyday life, and it describes both major and minor offenses and their punishments. However, the rich and poor, men and women, and elites and commoners were treated differently under the law. This deepened the social hierarchy and distinctions between classes and genders, which soon became normal and accepted in society. These laws also influenced the need for one, powerful leader. It used the political power to generate bonds between the people of different races and backgrounds. The code also unified, consolidated, and secured the empire by setting a standard for moral values, religion, class structure, and gender relationships.
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Jim Crow laws - Cause
Jim Crow laws were laws in the Southern States that disenfranchised African Americans, made segregation legal, gave support to hate organizations like the KKK, and reduced their economic opportunities. Jim Crow Laws were one of the main motivations for African Americans to migrate to the Northeast and the Midwest.
More segregated neighborhoods in the North - Effect
Most African Americans emigrated to low-income neighborhoods of urban areas in the Northern states. As soon as they began to move in, most white people left, as some government policies like redlining also promoted this increased segregation.
Harlem Renaissance - Effect
The Harlem Renaissance was an African American cultural movement that emerged in the Harlem neighborhood of Manhattan during the first decades of the XX century. It was caused by the Great Migration due to the large number of black people who moved there during this period.
Violence toward African Americans - Cause
Violence toward African Americans in the South was common during and after the Reconstruction Era. Lynchings and hangings were common, and supported by the authorities. This was one of the main motivations for African Americans to migrate to the North.
The British news oscillated the American public opinion(s) in favor of the Allies. They also had like cultural 'bonds' too.
