I can i took civics last year :)
The census tracks the population in the United States by county. Then the government issues the number of electoral votes proportionally based on the states' populations. States which gain people gain electoral votes, while states who lose people, lose electoral votes. The US issues a census survey every 10 years.
Genghis khan i think
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Answer:
Trains
Explanation:
The expansion of the railroad system allowed goods and people to move around faster than ever before