The answer is C.
the Spaniard Francisco Vázquez de Coronado made his two-year-long trip from Mexico to Kansas in 1540, he brought with him some sheep to different states during his journey.
The statement about the economic development of the Swahili coast in SE Africa after 1000 CE which is correct is "The cities of the Swahili coast enjoyed a positive trade relationship with Persian and Indian merchants for many years until the Arabs overtook the coastal cities, which ended the economic development."
The answer is A.<span>
The use of water to extract oil from underground</span>