Primary reason that most immigrants came
to the United States from Europe in the early 1900s?

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."

Ithink its trade and commernce let me know if im wrong