A change that does not affect the chemical composition of the object or substance.
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On April 21, 1836, Houston and his men defeated Mexican General Antonio López de Santa Anna at San Jacinto to secure Texan independence. He was voted president in 1836 and again in 1841, then served as a senator after Texas became a state in 1845
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Centrism is support of a balance between social hierarchy and social equality. Centrists are not strongly politically left or right wing.
One of the main reasons why the Chinese believed the Tang struggled with crop failures and government problems is because there were long periods of drought, which made farming very difficult.
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