gold
Many historians believe that Spanish expeditions in the 16th century that reached into what is now Tennessee may have been to prevent Native Tribes there to end their conflicts with Natives that were friendly towards Spanish explorers.
"When the explorers reached Oklahoma" is the adverb clause in this sentence. It provides information about when the explorers wrote about the beauty of Oklahoma.
India was the first Asian country European explorers reached by water. It was first reached by Portuguese explorer Vasco da Gama.
Constantinople was captured by the Ottoman Turks in 1453.
The first Asian country that the European explorers reached by water was India. The explorers was commanded by Portuguese explorer Dom Vasco da Gama.
Ottoman turks
They reached North America 500 years before Columbus reached the Bahamas.
One thing he thought was that he had reached Asia or the east. This is the reason the natives were called Indians.
Africa
John Cabot.
India.
India