How did conquests contribute to the growth of well organized empires?

Different conquests of well organized empires have contributed to its growth through the change of its administration and different systems like roads, trading, ports, and even the military and navy units.  Some example of these are the Persian empire which was able to have royal roads and relay station and Alexanders empire that was able to built new routes after the conquests.

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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.