Since free trade allows the business market to reach overseas outside their own nations, many business man seek to sell and cooperate with the other nation's business cooperation in order to expand their market and gain more profit. This urged the economy to become global with the economic exchange across countries.
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Thomas Edison invented the most widely available version of the light bulb. With the advent of AC/DC electricity cities soon began to have streetlights. This would make for a good crime deterrent.
Because he sucks thats what i realy think hope i helped