Before the panama canal people from East coast of America who wanted to go to Asia had to either sail around south America which took months or sail towards Asia and go around Africa which took even longer. The panama canal was a short cut right in the middle of central America which cut navigation time in half. Hope I helped. :)
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Guessing its in the middle of the US. Thats the Louisiana Purchase from France. If it's Alaska, we gained that from the Russian Empire.
