What is one example of a Time the US has used internationalism as a foreign policy?

How were returning african-american soldiers treated in american cities in 1919–1920?

In italy, the distance between milan in the north and palermo,sicily, in the south is about 550 miles. in the united states, the distance betweenboston, massachusetts, and savannah, georgia, is about 900 miles. do you think the american revolutionaries of 1776 in the 13 colonies faced some of the same challenges as the patriots who struggled for italian unity in the 1860s?  

Why didn’t the portuguese have access to the territory that is present-day latin and north america