The obvious case is the consequence of climate change, where my emissions of greenhouse gases affects your sea level and climate (and vice-versa). aerial or marine pollution and overfishing in the oceans are others.
In a more restricted sense, one nation may hold all or most of a resource needed by all. Many nations are unable to feed themselves, at least to present standards, and therefore need to trade with others.
Answer:
After the signing of the Treaty of Paris, the balance of power in North America changed a lot. Before the treaty, there was only one hegemonic power in North America: Britain, with only a few remaining areas dominated by Spain and France.
After the Treaty was signed, Britain lost its most populated and developed colonies, and a new political actor, the United States, emerged.
<span>Option C. It contained n udity and bl asphemy. The musical Hair had a lot of controversies but it was not because of the type of hair represented by the people in the cast, but because of the series of n ude and bl asphemous scenes that this work contained since its appearance.</span>