Need Help. There were several events during the Second Industrial Revolution that had profound effects on each of the major regions in the United States. Use this chart to identify the causes and effects of these events in the North, South, West, and Midwest. In the chart, choose one event from each region and describe the causes and effects of it. The event can reflect a political, social, economic, population, or transportation change.

zheng he was a chinese explorer who lead seven great voyages on behalf of the chinese emperor. his seven total voyages were diplomatic, military, and trading ventures, and lasted from 1405 – 1433. however, most historians agree their main purpose was to promote the glory of ming dynasty china.

explanation:

popular sovereignty   influenced the declaration of independence because the colonists wanted to have freedom to do they wanted so they put into writing

b, public works good luck

i really do want to but i just don't know it i'm so sorry : (