The study of how society uses its limited resources
The most logical combination would be to decrease the production of balls, and increase the production of nets, in order to achieve a market equilibrium that allows both products to be sold. For this it would be necessary to allocate more money to the production of nets, and to diminsh the cost referred to balls, until arriving at half of expense for each one.
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New weapons produced during the Industrial Revolution in the late 1800s heightened existing tensions among European nations as countries strove to outpace their enemies technologically. This armaments race accelerated in the decade before 1914 as the Triple Alliance of Germany, Austria-Hungary, and Italy squared off against the Triple Entente of France, Russia, and Britain. Germany’s fears of increases in Russian armaments, and British fears of the German naval buildup, contributed heavily to the outbreak and spread of the First World War in 1914.
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Answer:
World War I, originally called the Great War, resulted in more than nine million deaths. The official starting point was the assassination of the heir to the Austro-Hungarian throne, Archduke Franz Ferdinand of Austria. However, this was simply the spark that lit a tinder keg of overbuilt armies, imperial tensions, and complex alliances creating two opposing political forces in Europe: the Allies and the Central Powers.
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North Atlantic Treaty
The organization implements the North Atlantic Treaty that was signed on 4 April 1949. NATO constitutes a system of collective defence whereby its independent member states agree to mutual defence in response to an attack by any external party.
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