This was a mixture of things.
The increase in population from soldiers and influx of immigrants caused the need for more food to be produced and more jobs to be demanded. So farmers started over producing which led to the Dust Bowl and, eventually, the Great Depression.
The United States has been a leading member of the United Nations although there have been disputes along the way.
Answer:
When coal is burned, chemical potential energy is transformed into thermal energy, light energy,
David Crockett was an American folk hero, frontiersman, soldier, and politician. In early 1836, he took part in the Texas Revolution and was "likely" executed at the Battle of the Alamo after being captured by the Mexican Army.