Between 1850 and 1860, approximately 27,000 miles of track were laid in the United States. This rapid expansion was driven by the increasing demand for transportation and the economic growth of the country, particularly due to the Gold Rush and westward expansion. The period marked significant advancements in railroad technology and infrastructure.
Almost 31,000 miles.
slavery
5 northern states had over 2,000 miles of track
please be more specific as to what country you mean
1860 miles
Johnnie Jo Dickenson has written: 'Walker County, Texas 1850-1860 census' -- subject(s): Census, 1850, Census, 1860, Census, 7th, 1850, Census, 8th, 1860, Genealogy, Registers of births
1850 - 1860
for AP USH, the answer is 1850-1860 or just 1860
Dorothy O. Teel has written: '1850 census, Sumter-District, South Carolina' -- subject(s): Census, 1850, Registers of births, Genealogy, Census, 7th, 1850 '1860 census, Clarendon District, South Carolina' -- subject(s): Census, 1860, Registers of births, Census, 8th, 1860, Genealogy
According to the US Census of 1860, the US population grew 35% from its level in 1850. Part of this increase was due to a rise in the slave population. In 1860, approximately 14% of the US were slaves.
1860
There is a lot of major events from 1860-1865. I suggest that you google "major events from 1860-1865".