Protect the bill of rights. Preserving freedom can be seen as securing the blessings of liberty. Maintaining peaceful nations can be seen as insure domestic tranquility. Defending against external enemies can be seen as providing for the common defense.
The compass, the astrolabe (instrument used to measure latitude), and the rudder <span>all helped European explorers on their quest to find Asia and get rich by by </span><span>buying spices there and selling them in Europe to get a profit.
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<span>The Code of Hammurabi</span>
Economics
The treasure fleet voyages cost Ming China vast amounts of
money and brought nil returns since they were not trade excursions but only
brought back exotic novelties. As a result, the government recovered little of
the cost. Moreover, China was self-sufficient and did not need anything from
the Indian Ocean countries
