When you notice the soft sound of rain on the roof, it has crass ed a perceptual line called your threshold for detecting an auditory signal?
a: absolute
b: determinant

texas governor sam houston opposed secession, but was unable to prevent it. in this speech, given prior to lincoln's election, he presents the argument that slavery would be safer within the united states than outside of it. it was a prescient argument, and one held by several other southern leaders.

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