Answer:
B. He was an explorer sponsored by the French settlements on the Mississippi River.
Explanation:
Louis Joliet was the first person, who wasn't a Native, to explore the Mississippi River. He also discovered numerous other things and was a well known explorer in North America.
Answer:
The Treaty on Open Skies entered into force on January 1, 2002, and currently has 34 party states. It establishes a program of unarmed aerial surveillance flights over the entire territory of its participants.
Some evidence exists that ancient Greek and Roman artists used chiaroscuro effects, but in European painting the technique's originator was Leonardo da vinci in the late 15th century in such paintings as his Adoration of the Magi (1481).
