The product that would have been MOST likely to have been exported from this country along the Silk Roads is porcelain.
Trade represented one of the most important economic activities in that time, if not the most. Ancient China produced great and fine porcelain that was traded along the Silk Road, the series of trade routes from China to Europe, crossing many Asian territories, even North Africa. China also traded other important goods such as spices, salt, tea, sugar and the admired silk that was a luxury good very demanded in Europe.
The positive effects of getting California is that it's closer to Asia, and California side of the nation at the time could have open territory to conquer.
