I got three for ya
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1.) The gold rush caused California's population to increase dramatically;
2.) it brought people from many different backgrounds to California; it made California more democratic because people were more equal in mining communities;
3.) it caused Native Americans and Californios to lose their land
The aristocracy was most under attack during the French Revolution.
The ancient Romans used their engineering skills to build aqueducts, bridges, roads, domed structures, the hypocaust heating system and any other building projects they undertook.
Hope this helps!
A) The Continents were once connected. They were once a supercontinent called Pangea
Northern: No slaves, mostly republican (our democrat) ideas, economy was based on trade and business
Southern: Slavery was supported, mostly (our idea of) republican, their economy was based on plantations and slaves
Hope this helps! Please let me know if I'm wrong or missed something. :)