They used a cotton gin to quickly and efficiently separate the cotton fibers from their seeds.
1978 is the answer comrade
Kingdom of Mali was controlling trade routes
Well, multiple answers are correct here. Confucian ideas indeed did represent C for example; family obligations are important.
Moreover, they also represented D and E.
D - the key to good behavior and good government is concern for others.
E - Laws are the basis of an orderly society.
