How did regions impact viewpoints / perspectives

What was the importance of the open door policy?

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?  

The development of greek culture was most influenced by the dorian invasion the region’s climate and geography the trojan war indo-european migrations