__ was one of the many students of Socrates. He focused on reality and what it means to be real versus imaginary?

Explanation:

France is bordered by the English Channel and Bay of Biscay; Belgium, Luxembourg, and Germany to the north, Switzerland and Italy to the east and Spain to the south.

The Garonne River runs for 357 miles through southwestern France and northern Spain. From its headwaters in the Pyrenees, it follows the Aran Valley northward into France, flowing through Toulouse on its way to Bordeaux, where it meets the Gironde estuary—which flows into the Atlantic Ocean at the Bay of Biscay.