Is derived from ancient swamps and bogs, where standing water prevented decay and allowed plant matter to accumulate and is derived from plankton and algae, mixed with mud and sand on ancient sea beds.

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?