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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Answer:
President Thomas Jefferson had many reasons for wanting to acquire the Louisiana Territory. The reasons included future protection, expansion, prosperity and the mystery of unknown lands.
They both had many environmental challenges.