At the end of a three-year study, susan finds that 12 percent of her participants did not take part in the final survey because they moved away. in research terms, susan is experiencing a problem.

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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explanation:

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answer; the president uses mass media to gain support for policies;

answer; curiosity;