Thousands of species of fish and invertebrates and hundreds of species of mammals and birds are found in the region.

Which region? And thousands of species of reptiles are found in most regions

Explanation:

nativists tried to get rid of the immigrants as they thought they were going to ruin the u.s.  

- "a new era of american politics began with jackson's election in 1828, but it also completed a grand social experiment begun by the american revolution. nevertheless, jacksonian democracy represented a provocative blending of the best and worst qualities of american society."

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