Following world war 1 the united states experience a period of technological advancement in transportation which advancement in transportation occurred during this period

One of the highlights of World War I was the creation of the tank - initially called "land ships" - which emerged after the car boom a few years earlier and became a powerful way of combating the absurd trench wars in which machine guns already wreaked havoc.

We also find a predecessor to modern drones: the first unmanned aircraft to intervene in World War I was developed by the U.S. Navy !

the federal constitution of the united mexican states of 1824 was enacted on october 4 of 1824, after the overthrow of the mexican empire of agustin de iturbide. in the new constitution, the republic took the name of of united mexican states. it was replaced by the federal constitution of the united mexican states in 1857.