How Did The Population Change Between 1820 And 1840

Between 1820 and 1840 the American population increased dramatically and most were moving to town and cities. The quality of health and living standards improved so white women had a lot of children and there was decrease in infant mortality rate. By the year 1840, the population had increased to 17 million. The population of New York for instance was the 312-805,000 making it the largest, lot of people were also migrating from Europe to America. Politicians used this growth to seek more support from new arrivals. Some complain foreigners are going to take their jobs, as a result more restrictive naturalization laws were introduced.
Transportation before the turnpike era was not the best, there were struggles as to how to move goods and