___ kept the Articles from being ratified for four years
Disputes over land issues
I'd say the combustion engine, even though it was toyed with in the mid-west during the cowboy era, it wasn't until after the Civil War in which it was a fully effective gasoline powered engine.
D.Hinduism - <span>The religion of Hinduism originated in Northern </span>India<span>, near the river Indus, about 4000 years ago and is the world's oldest existing religion.</span>
The Mexican Cession happened in 1848. In this treaty, Mexico handed over Texas to the US. Hope this helps.
