The shang dynasty made many contributions to chinese civilization but four in particular define the dynasty: the invention of writing, the development of a stratified government, the advancement of bronze technology, and the use of the chariot and bronze weapons in warfare.
Id say C but in reality it was more profitable because farmers had to pay slaves next to nothing if not anything and could have multiple workers in poor conditions so mass amounts of free workers saved them money and they could work them 24 hours a day until they dropped making the process go faster producing more than other competing farms. A sad truth from our past.. hope this helps!
Answer: The Communists, under the eventual command of Mao Zedong and Zhou Enlai, escaped in a circling retreat to the west and north, which reportedly traversed over 9,000 kilometres (5,600 mi) over 370 days. The route passed through some of the most difficult terrain of western China by traveling west, then north, to Shaanxi.
Explanation:
Making them slaves to work on their plantations which eventually killed a lot of them.
