The US Constitution gives the legislative branch the power to make laws. This is an example separation of powers.
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An artifact is a historical thing that someone or something left behind for example dino bones
The stalemate during World War I was broken in 1917 by "<span>the entry of the U.S. into the war," since with the entry of the United States the Allies obtained numerous weapons and more troops. </span>
Better Technological advancements. Boats how there were two types of sails and also the invention of the compass and the astrolobe. Hope it helps.
Yes i believe so because he consolidated the Kievan state through both cultural and administrative improvements