The war on western front was a stalemate by 1916. what was the effect of this development

What are the two powers that the federal and state governments share?

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 impact did entry into ww1 have on life in the us?