Answer:
More than 22 million new jobs, highest home ownership in American History
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Northerns who descended upon the South to take control of the government were called...
C. Carpetbaggers
Carpetbaggers were northerners who could fit everything they owned into a carpet bag and move to the South in order to take advantage of the many opportunities that would open up.
They go from date or most importance
The Executive, Legislative, and Judicial branches of the government were assigned clear and limited roles under the Constitution
The main way in which the new weapons that were developed affected World War I was that they were were far more lethal--they were large machines that could kill far more people, meaning that WWI was far more deadly than previous wars.