Why do you think the united states has a federal type government ?

The Tenth Amendment prohibits the federal government from exercising any power not delegated to it by the States in the Constitution; as a result, states handle the majority of issues most relevant to individuals within their jurisdiction. ... Each state has its own written constitution, government and code of laws.

the effect of the ming leaders banning ships with more than two masts was that there was no further construction of ships masts, because there was a surplus. ming emperors disallowed foreign exploration

when world war i broke out across europe in 1914, president woodrow wilson proclaimed the united states would remain neutral, and many americans supported this policy of nonintervention. however, public opinion about neutrality started to change after the sinking of the british ocean liner lusitania by a german u-boat in 1915; almost 2,000 people perished, including 128 americans. along with news of the zimmerman telegram threatening an alliance between germany and mexico, wilson asked congress for a declaration of war against germany. the u.s. officially entered the conflict on april 6, 1917.