Radio
There were many developments coming to the foreground in the 1920s that affected mass culture. Automobiles, which had begun to be available in the early 1900s, became more prevalent. Movies provided a common source of entertainment. But the new innovation in the 1920s that had the greatest impact on the development of mass culture was radio, which brought familiar broadcasts into homes across the whole country.
Answer:
None
Explanation:
Francisco Vazquez de Coronado went to look out for seven golden cities of Cibola after hearing the tale, which passed on among the Spaniards in Mexico. Coronado collected roughly about 400 soldiers and 1500 Indians, set out for an expedition to find the treasure, which assumed to have existed in the north of Mexico. On his way, Coronado explored Oklahoma, Texas, Kansas, and became the first European to see Grand Canyon before giving up their quest to find gold after two years.
They need more soldiers and so they put the Africans they bought out there, but they weren't allowed to fight with the whites.