Around 40% of fish species live in fresh water ecosystems
Religious freedom: they no longer had to follow one strict religion
Political: they had a democratic government where the power originates from the people
Civil: people could vote for who will be president
During this period, the industrial growth of the United States had great effects on them. Cities have become the country's main economic centers, and the manufacturing and finance industry have overtaken agriculture and livestock as the main sources of income in the United States. The industrialization process drastically increased rural migration. At the end of the American Civil War, about a quarter of the American population lived in cities. In 1918, half of the country's population lived in urban areas. In addition, this period is also marked by the large and unfounded immigration of Europeans to the country.
The Eight Lords Proprietors
