Spanish conquistadors in the New World sought almost exclusively gold. This was the primary reason they were endorsed in their ventures by the kings/queens, who paid them handsomely.
Alexander the Great is important because by the age of thirty he had created one of the largest empires in ancient history. He was the ancient ruler of Macedonia, what is now north eastern Greece and as ruler he conquered most of the civilized world, from Greece to Egypt, Persia and India. He is known as one of the greatest commanders of all time and was undefeated in battle.
<span>technological advances that lowered transportation costs dramatically</span>
The equal privileges and protection for all countries