Nations form alliances in order to achieve goals that otherwise wouldn't be possible. For example, NATO, or the North Atlantic Treaty Organization, a coalition of countries in North America and Europe, agree to defend one another in case of attack from an outside party. This is clearly beneficial, because this intergovernmental support both makes an outside attack less probable, and if it occurs, easier to handle. Another example is NAFTA, or the North American Free Trade Agreement. Shared among Canada, the US, and Mexico, this alliance eradicated trade barriers within these countries. Another beneficial alliance, this agreement increases international trade due to lower costs and thus improves the international economy.
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1920's was a great depression going on and everyone needed money then was ww1 and today we need money and jobs a war would keep people employed.
A market economy is where the pricing of goods in the market is based only on private individuals or companies. Government has very little say in it.<span />
The Age in Enlightenment occurred as a result of the shift in ideas from religion and art to science and technology