The KKK attack African-Americans because they were white supremacists.
Cortés he was the explorer who conquered the Aztec empire for Spain and ruled it or the answer would be Spain
Answer:
Telephone, internal combustion engine, and electrical light
Explanation:
telephone: it allowed for instant communication, communication by voice, and it paved the way for future inovations in telephone technology.
engine: it was powered by gas and air, which made it impractical for widespread public use.
light: Electric lights allowed factories to stay open longer and produce more goods.
Hope this helps dude!