what effect did us entry into the war have?
it prolonged the war even further.
it increased the amount of fighting.
it bring an end to the war.
it built support for the triple alliance.

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."