They studied Confucianism because they believed that was the right path in life
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.
William McKinley is the 25th
I believe it is building igloos