How did the Ostend Manifesto help start the Civil War?

Southern desires to expand slave territory led to this foreign policy debacle in 1854. Domestically, the document was one of several events leading to the Civil War, helping convince old Whigs and new Republicans that a Democrat-controlled "slave power" ran the country

Explanation:

i do believe that the correct answer is   (technical reasoning); luck

explanation:

i heard they are taking it off i hope this isn't true but otherwise if it doesn't get taken off it will probably be in early december or early january of 2018-2019