You are listening to a public speaker who says, "soon, this important national question will tear us apart, unless our leaders show courage and deal with the issue as soon as possible! " what is this speaker most likely referring to?

select the best answer from the choices provided.
the issue of slavery surrounding the missouri compromise
the actions of general andrew jackson in florida
the lack of u. s. support for latin american revolutions
the russian incursion into north america's oregon country