Which historical experience directly encouraged the spirit of volunteerism in america?

the rejection of the power of the british monarchy 
the divisions between the north and south during the civil war 
settlers moving into territories lacking government with a need to promote the public good
growth of population over many years due to immigration 

answer; ///i believe that the correct answer is ; hieroglyphs or glyphs; the maya script, also known as maya glyphs, was the writing system of the maya civilization of mesoamerica; as always plz check first..good luck

lee and grant, both of whom held the highest rank in their respective armies, had known each other slightly during the mexican-american war (1846-48) and began their dialogue by exchanging awkward personal inquiries. characteristically, grant had arrived in his mud-splattered field uniform while lee had turned out in full dress attire, complete with sash and sword.

explanation:

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