Answer:
One way in which the passage illustrates the economic development of China under the Song dynasty is by how their trading system works. They trade with certain countries and, empires get what they can produce and give what they can produce, which others can't. Silk was very popular since it was very unique.
Explanation:
Brain-List
The answer is True, President Johnson did order the bombing of a North Vietnamese port after several United states advisors were killed.
