industrial revolution- factories in the late 1800s were very big pollution makers.
in 1849 oil was in great need for machines and the early automobiles, oil turned very popular and so people made money from it, and they called the oil black gold, and there was basically another gold rush caused by the black gold.
in 1860 steel was being mass made, steel was a very strong, flexible, non rusting metal Which was used in tall buildings, ships, high bridges, harvesting equipment, and other important stuff.
1876 Thomas Alba Edison perfected electricity, which later became the electricity we have today, and is in our homes.
Inventions changed lifestyles, Alexander Gram bell made phones, and another person made a typewriter, women made up 40% of the work force.
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