1) The construction of transcontinental rail lines in the late 19th century required massive investments that individual companies could not afford, so the federal government provided subsidies like land grants to encourage development.
2) The first transcontinental railroad was completed in 1869, connecting Omaha, Nebraska to Sacramento, California through the Union Pacific and Central Pacific railroads.
3) While the railroads revolutionized transportation and industry, they were also plagued by corruption like bribery of politicians and risky business practices that led to bankruptcies and consolidation of lines.