The north launched an offensive against the south that lead to the overwhelming of the south and the fall of Saigon.
Yes. People usually hire others to influence government officials. For example,we are told that in 2016 Taiwanese officials hired an American senator to set up a phone call with Donald Trump and the Taiwanese President Tsai Ing-Wen.
In 1973, OPEC created a major oil crisis in Western European nations and the United States by declaring an embargo against them. The shortage of fuel disrupted businesses and limited the use of cars and other vehicles.
This examples shows interdependence because the US economy was negatively effected by the economic sanctions placed on them by countries who were part of OPEC. This resulted in long gas lines in the US, as well as limits on how much gas individuals could buy at one time.
