Just one reason? one big reason is they needed jobs. Most immigrants planned to become rich and then go back to their own country. Others immigrated because America was rumored to be perfect.
According to a different source, this question refers to the text "Margaret Garner: Defying the Fugitive Slave Act" by Levi Coffin.
In this text, we learn about a woman names Margaret Garner who was a slave in Kentucky, but managed to escape. Upon being recaptured, she killed two of her children, preferring death to allowing them to become slaves.
Coffin's narrative shows that he is an abolitionist, and that he is inclined to support the decision of Garner. He describes her story as a heroic and painful one, and argues that only people who have experienced such level of sorrow are able to imagine the pain that Margaret had to endure. The purpose of the text is to show how unimaginable slavery is, and how it can lead people to commit the most desperate acts.
Why did President Jefferson send government officials James Monroe and Robert Livingston overseas in 1803?: A: to negotiate the purchase of the Louisiana Territory from Britain to try to buy New Orleans and West Florida from France to offer to purchase the Caribbean island of Haiti from France to arrange to buy the Northwest Territory from Britain. C: