Answer:
All of them where Spanish explorers.
Is Coronado a Spanish explorer:
<u>The 16th-century Spanish explorer</u><u> Francisco Vázquez de Coronado (c. In 1540, Coronado led a major Spanish expedition up Mexico's western coast and into the region that is now the southwestern United States.</u>
Is Moscoso a Spanish explorer:
<u>Luis de Moscoso Alvarado (1505 – 1551) was a Spanish explorer</u><u> and conquistador.</u>
Is de Soto a Spanish explorer:
<u>1500 – May 21, 1542) was a Spanish explorer</u><u> and conquistador who was involved in expeditions in Nicaragua and the Yucatan Peninsula, and played an important role in Pizarro's conquest of the Inca Empire in Peru, but is best known for leading the first European expedition deep into the territory of the modern-day United.</u>
Is Castillo a Spanish explorer:
<u>Alonso del Castillo Maldonado (died after 1547) was an early Spanish explorer</u><u> in the Americas. He was one of the last four survivors of the Pánfilo de Narváez expedition, along with Álvar Núñez Cabeza de Vaca, Andrés Dorantes de Carranza and his African slave Estevanico.</u>
Hope this helps you! :)