There is no constitutional right to sell an Organ.
Even though constitution admit that you had the full right for full freedom to do whatever you want to your body, selling an organ is strictly illegal because it may create a market that could endanger many of human's life if it's left handled by the private sectors who constantly seek ways to cut expenses.
Here is the answer. How the south experienced some success by modeling itself after the north is that their cities grew as a result of increased industrialization. In addition, t<span>he </span>South's<span> less industrial economy suffered less than the </span><span>North. Hope this answers your question.</span>
Silk was valuable because it was very hard to acquire and it was easy to transport because it was light weight