The Effects of Immigration in the Late 1800s. An estimated 25 million immigrants arrived in the United States between 1870 and 1900. The flow of migrants meant that by the time of the 1900 census, 10.3 million of the 76.3 million residents of the United States had been born overseas, making up 13.6 percent of the total population.
The four items would consist of Scale, Legend, Title, and Compass. Hope I helped! Rock types would be more prevalent in geographical maps that show altitudes, etc.
