What happened in china during the warring states period of the zhou dynasty between 476-221 b. c.e.?

The Warring States period was a period in which the regional warlords annexed smaller states around them and consolidated their mandate.

The Warring States period witnessed the proliferation of iron works in China, replacing bronze as the dominant metal used in the war machine. The walls built by the states to keep away the nomadic tribes of the north and the other states were the precursors of the Great Wall of China. Trade also reached great importance, and some merchants reached a considerable power in the politics of government. Military tactics also changed. Unlike the Spring and Autumn period, most of the armies in the Warring States period made a combined use of infantry and cavalry, and the cars gradually fell into disuse.

based on this information, i would advocate against sweatshop labour because it exploits workers in unsafe working conditions with little pay. though sweatshops produce inexpensive goods, they harm the environment, workers, and often use unsafe materials to make consumer goods.

"germany's geographic location was an advantage when it was on the offensive in the war because it was situated next to an extremely wide river, the rhine, which was difficult for the allies to cross."