This question depends on a few factors. Southerners desired more land for cotton production and Northerners believed expansion would relieve population pressures in the crowded urban centers of the Northeast.
Some Americans were opposed to manifest destiny because other nations (Mexico & Great Britain) claimed the land and because they felt an expansive nation would be too large to govern. Abolitionists feared new territory would expand slacery.
With the passage of the Fugitive Slave Act of 1850, assisting or helping hide fugitive slaves became a federal offense, making all Underground Railroad activity subject to six months in prison and a $1,000 fine. Escaping from slavery or helping someone to escape from slavery was a very difficult and dangerous task.
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People who hopped trains to look for work were known as hoboes in the 1920's and 1930's. Most hoboes were teenagers or in their early 20's, and spent a lot of time on the road away from family and their homes.
Answer:
The most direct way nationalism caused World War I was through the assassination of Archduke Franz Ferdinand, who was the heir to the throne of the Austro-Hungarian Empire. ... Thus, nationalist movements broke out across the Slavic territories. Among the most militant nationalists were the Serbs.