<em>Answer:</em>
<em>As the Industrial Revolution was a shift from the agrarian society, people migrated from villages in search of jobs to places where factories were established. This shifting of rural people led to urbanization and increase in the population of towns. The concentration of labour in factories has increased urbanization and the size of settlements, to serve and house the factory workers.</em>
The air and water are polluted
Hello There! ^_^
Your question: What were the three main Indian groups before European explorers arrived..?
Your answer: The Mayan, the Aztecs and the Incas were the three main Indian groups before European explorers arrived.
Hope this helps!
<span>The San Andreas Fault is the prime one
with many other faults spreading out around it. The earthquakes are the
result of the two plates moving against each other. The San Andreas Fault is the name of California's famous break in the earths crust that causes earthquakes to occur. I know this because i did a science project on earthquakes. Hope it helps! :-)
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