Why is the phrase all men are created equal often referred to as a symbol of national aspiration and not as a statement of of law or custom

Which of the following two groups did not do battle with the romans? select all that apply.

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?  

What was a result of the use of farming machines