Why is Beijing such an important trading center

Trade with China is important to the health of the U.S. economy but the communist nation must continue implementing key reforms to improve market access, a new report says. China purchased 7.3 percent of all U.S. exports, $165 billion in goods and services from the United States in 2015

Explanation:

the section of the chart that represents a point at which a bill needs approval from a majority of people in both chambers to advance is j, as this is the only section before the bill becomes law which has both rows (symbolizing the chambers) converging into one, meaning that the two parts of the congress have to approve of it before it can march on with the process.