Development of Railroads (1 ene 1830 año – 1 ene 1860 año)
Descripción:
 Jus like steamboats, trains quickly became popular in transporting people and goods, since they were faster and could cover more distance.
Causes: Railroads were actually less expensive to build than canals and they could carry more and relatively more reliable than a steamboat. 
Historical Impact: Made transportation of goods cheaper and encouraged settlement and farming. However, it also tended to invade political life by corrupting government officials. 
Añadido al timeline:
fecha:
1 ene 1830 año
1 ene 1860 año
 ~ 30 years
Fotos:
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