Which best describe the outcome of spanish exploration of northern north america

a large part of the current united states was placed on the map by spanish expeditions. this served as a basis for later settlements and represented an enormous strategic advantage. however,its fundamental contribution was that it allowed for the rest of the world to see north america through the eyes of spain for centuries to come.from the discovery of florida in 1513 to the expeditions to alaska and the pecific northwest, the image of north america as a whole, and particularly   of the modern-day united states, was built to a great degree from the outcome of spanish- sponsored voyages. the most significant of these have been gathered here.

explanation :

c

explanation:

b.

jim crow laws were enacted in northern states.