Answer:
It banned slavery in the territories acquired after the War with Mexico
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<span>People are "pushed" away from the rural areas because of the lack of opportunities in such areas. Many young people are also "pushed" by a lack of cultural/social opportunities in the rural areas. "Pull" factors are those that make people want to come to a given place.</span>
The Counter-Reformation (Latin: Contrareformatio), also called the Catholic Reformation (Latin: Reformatio Catholica) or the Catholic Revival,[1] was the period of Catholic resurgence that was initiated in response to the Protestant Reformation.
Source - Wikipedia
Global warming. If the center of our earth weren't warming continuously or weren't as active, we would have as much global warming.