Mary never liked math and did poorly. when she decided to think of it as a fun challenge, her performance improved. this is an example of a change in:

I believe the answer is: perception

Perception refers to the angle that people choose to observe their situation. Difference in pereception could affect success rate since it could very much related to the viewer's self-esteem. Those who always see themsevles as inferior tend to find excuse to not making an effort to address their problems.

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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