Cause: it allows steel to be produced without fuel
effect: lowered the cost of production steel
Answer:
Hernan Cortés invaded Mexico in 1519 and conquered the Aztec Empire. Credit: Public domain. Hernán Cortés was a Spanish conquistador, or conqueror, best remembered for conquering the Aztec empire in 1521 and claiming Mexico for Spain. He also helped colonize Cuba and became a governor of New Spain.
Answer:
Sorry, I don't know the answer dude.
I think is D but I’m not sure
