I'm afraid I couldn't give you a complete answer, or the answer that you're looking for, for this question regarding the Native-born Americans in 1860's since there is no map provided with this question. Try re-posting this question with the map on it.
Answer:
Pull factors:
America had a lot of undeveloped land that European farmers could easily obtain, and work.
America had a developing economy, where industry was growing very fast, and demand for workers was accordingly high.
America had a political structure that protected civil rights such as freedom of religion, freedom of speech, and freedom of assembly.
Push factors:
Many areas in Europe were overpopulated in regards to the productivity of the land, and this caused frequent famines, land conflicts, and political instability.
Many areas in Europe had tyrannical governments were civil liberties were not respected.
Europe had several religious denominations that were persecuted all over the land, and this prompted their members to emigrate to the United States where they would enjoy the freedom to practice their faith.
Jews, Muslims and Catholics.
Hope this helps.
Answer:
Ideas appear again in the Roosevelt Corollary.
Answer:
The Battle of Hastings was fought on 14 October 1066 between the Norman-French army of William, the Duke of Normandy, and an English army under the Anglo-Saxon King Harold Godwinson, beginning the Norman conquest of England.
Explanation: