Europe had fallen into a state of constant warfare
Answer:
the frontier had meant that every American generation returned "to primitive conditions on a continually advancing frontier line." Along this frontier -- which he also described as "the meeting point between savagery and civilization"
Explanation:
Hope I helped! if not im sorry.
His main goal was to end slavery
Because the u.s dropped an atomic bomb into the middle of japan and threaten to do another one
