The difference between bronze and iron is

Iron is magnetic while copper is not.

Bronze is man-made while Iron is not.

Explanation:

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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answer; american middle class;