Puberty occurs when a part of the brain called the hypothalamus begins to produce a hormone (gonadotropin) that has an effect on the testes and ovaries causing an increase sex hormone — estrogen in girls and testosterone in boys.
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Answer:Nullification crisis, in U.S. history, confrontation between the state of South Carolina ... The doctrine of nullification had been advocated by Thomas Jefferson and James ... John C. Calhoun furthered the nullification doctrine in his South Carolina ... of the legislature) to take an oath of support for the ordinance, and threatened contrast
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B - The sovereignty of all the states in the union was weakened.
Nationalism. As Manifest Destiny was geared towards more of the individual people's growth (i.e go-getters) compared to Nationalism; the growth and advancement of the nation's people's as a whole.