Louis Jolliet discovered it in canoes with another guy.
The correct answer is Sieur de La Salle
De Soto led an expedition as an explorer and then went to Mexico.
He is important for claiming the Mississippi river and the Gulf of Mexico.
Spanish explorer Hernando de Soto (c. 1500-1542), French priest Jacques Marquette (1637-1675), and French explorer René-Robert Cavelier Sieur de La Salle (1643-1687) all explored the Mississippi River area.The first was Hernando de Soto.The next one was more than 100 years later.
His second expedition was for a port that could supply New Mexico from Spain.
robert e. lee
Robert de La Salle was a French explorer known for completing the first European exploration of the Mississippi River to its mouth in the Gulf of Mexico in 1682. He claimed the Mississippi Valley region for France and named it Louisiana in honor of King Louis XIV. La Salle also founded the first European settlement in Illinois, Fort Crevecoeur.
Spanish explorer Juan Rodríguez Cabrillo visited California in the 16th century, arriving from Mexico. Russian explorer Aleksandr Baranov explored Alaska, which was part of Russia at the time, in the 18th century. French explorer Jean-François de La Pérouse also visited in the late 18th century as part of a scientific expedition.
Rene-Robert La Salle
The explorer of Mexico was Hernan Cortes.
Rene-Robert La Salle's major accomplishment was the exploration of the Mississippi River. In 1682, he led an expedition down the river, becoming the first European to navigate its entire length and claim the entire Mississippi River watershed for France. His exploration opened up new territories for colonization and trade in North America.
He is important because he led the Long expedition. In the expedition, James Long led a group from Mississippi to Nacogdoches where he declared Texas independent from Spain. He was captured, taken to Mexico, and shot.
Robert La Salle was the person who explored the entire Mississippi to the Gulf of Mexico. He was sent to explore this region of North America by King Louis XIV. In 1682, La Salle named the Mississippi Basin Louisiana and claimed it for his country France.