Federalism is a mixed system of government whereby a central government and a regional government is functioning together leading to an adequate control of a particular country.
In this system, different tiers of government govern the same citizens. But each tier has its own jurisdiction in specific matters of legislation, taxation and administration with the jurisdictions specified in the constitution. It is innovative for U.S. constitution because it helps to govern a very diverse people in the country effectively without fear of discrimination.
It relates to the motto of US <em>“E Pluribus Unum.” (meaning </em><u><em>out of many one</em></u><em>) </em>in the sense that, <em>despite the many colonies and tribes found in United States, the country is still one and governed appropriately by the use of system called Federalism.</em>
I believe that the answer to the question provided above is may of the artworks in 1920 which uses cubism are usually in relation with the WW1. Hope my answer would be a great help for you. If you have more questions feel free to ask here at Brainly.