DBQ develop an argument evaluating the extent to which the Kingdoms and empires of the sub-Saharan region succeeded in making achievements between 1200 and 1450 only need thesis claim and contextualization

Between the 1200 and 1450, the Sub-Saharan African region was thriving with trade.

Powerful Kingdoms such as Aksum existed in modern day Ethiopia and Sudan while other kingdoms Da'amat further south-west.

While the period was generally known for powerful Empires in Asia and the Middle East, the Sub Saharan countries were able to develop thriving trading business that included salt, agriculture products, salves etc.

Their biggest achievement was of maintaining sophisticated trading links between one another and minimal conflict.

answer; /// i do believe that its napolean's conquest of spain;

in the 1800s, chinese workers migrated to the united states, first to work in the gold mines, but also to take agricultural jobs, and factory work, especially in the garment industry. chinese immigrants were particularly instrumental in building railroads in the american west, and as chinese laborers grew successful in the united states, a number of them became entrepreneurs in their own right. as the numbers of chinese laborers increased, so did the strength of anti-chinese sentiment among other workers in the american economy. this finally resulted in legislation that aimed to limit future immigration of chinese workers to the united states, and threatened to sour diplomatic relations between the united states and china.