Answer:
because they were able to make more money and then could afford workers
Back in the ancient times, and even about 400 years ago, silk was super valuable. First of all, because absolutely no one, knew the secret the make silk except the Chinese. The reason the Chinese guarded this recipe is simple. Silk was super expensive and valuable, and if other people knew the secret, it would become more common, less valuable, and the Chinese economy, along with the Silk business, would just do a complete free fall into the ground.
The correct answer for this question is this one:
<span>Why was investment wealth centered in the Northeast?
<u>Large sums of money had been made in foreign investments</u>
Banking centers had been established by the government
Profits from the sea had created a center of finance</span>
Hope this helps answer your question and have a nice day ahead.