Mostly it was exhaustion, lack of supplies, new diseases (and old disease that became more common.) Also cold weather, bandits, and oxen dying on the trip.<span>
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<span>Marbury vs Madison was the first application of Judicial review, and created the true checks and balances of the us government.</span>
It can brake a magnet so be sure to put it warm place, not to hot or to cold.
Amerigo Vespucii was the first explorer<span> to </span>reach<span> the North American mainland in </span><span>1497. Correct answer: B
</span><span> He was an </span>Italian explorer who first<span> recognized North and South America as distinct continents that were previously unknown to Europeans, Asians and Africans.</span>