The idea that a country or region should specialise in making and exporting goods and services that it can produce most efficiently.
Answer:
What were two effects of the Louisiana Purchase on the United States? The purchase doubled the size of the United States, greatly strengthened the country materially and strategically, provided a powerful impetus to westward expansion, and confirmed the doctrine of implied powers of the federal Constitution.
To create a balance of power, those were all if the ideas of the groups.
Ex.
NATO,
North Atlantic Treaty Organization, keyword, treaty. It was all alliance between North America and other European countries.
Vienna wanted the balance of power during the wars.
So was the triple alliance and entente.
