The French and American Revolutions were similar in that they bought sought to free a general populous from what was determined to be a corrupt and tyrannical monarchical government, however they were different in that after the American Revolution, things were relatively peaceful, whereas after the French Revolution there was a "reign of terror" that was extraordinarily violent.
He was a typical explorer. He would explore for three main reasons mother countries explored, gold, god and glory. To find wealth in spices and precious metals, to spread his catholic religion, and to find glory in his adventures.