What are some lasting achievements of the Assyrian Empire?

They made some modern day inventions, like locks and keys, paved roads, uses of iron, plumbing, flushing toilets,  and some of the modern day clocks.  Assyrians also brought about the use of the first guitar, first libraries, first magnifying glass, and the first postal system.

following type of cultural development caused people to want and buy new products on the market :

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.