Answer:
B- opened borders to all foreigners that wished to visit China.
Answer:
It changed mostly politically.
Explanation:
Socially and economically speaking the Revolution did not have a major impact, indeed those who were part of the ruling classes remained in the upper classes. Slavery was not abolished after the Revolution, though in the North it was abolished shortly after the revolution.
Politically speaking it led to the creation of the Republic with its principles of liberty. The republic was inspired by the ideals of John Locke. The colonists were no longer the subjects of the British crown.
Events and trends in the local, national and global spheres are interconnected and very interconnected. The local scale of events and trends interconnected makes a national scale, again associated with events and trends on the national scale, making it together, global. The global scale with its trends creates a full circle and affects local. Thus, the circle is closed through economic interests ie economic connections.
The answer is: A.