Lincoln cites the phrase "to form a more perfect Union," from the preamble to the Constitution, in order to argue a) that the Union existed even before the Southern states ratified the Constitution b) that the South has an obligation to remain in the Union in order to make it better c) that the President has an obligation to better the Union by abolishing slavery d) that the Union has been getting better over time

Why were chinese american immigrants frequently detained when trying to immigrate through angel island? the rules for immigration were stricter at this checkpoint due to health issues that were prevalent among asian populations at this time. the location of the island was difficult to reach, and ships to the mainland were often prevented from sailing more than once a week. immigration agents were notorious for asking immigrants confusing questions as a means of denying them entry. low wages caused a shortage of immigration officials, so many immigrants had to wait weeks or months before their applications were processed.

And 100 to 150 words discuss how the american people have responded to a middle eastern independence

Use the map of russia to answer the follow question: ships could reach the port of st. petersburg via the baltic sea. where is that sea?