Which factors threaten the forests of north america?

aquifers
hiking
logging
non-native species
organic farming
overgrazing
wildfires

There are several factors that are threatening the forests of North America. A few of the threatening factors are logging, wildfires, non-native species, and animals overgrazing. 

On april 20, 1814, the dethroned emperor left france for the isle of  elba, where he was exiled under the terms of the treaty of fontainebleau.napoleon  would be allowed to ruleelba, which had 12,000 inhabitants. perhaps cruelly, the treaty allowed him to retain the title "emperor."

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