American settlers started moving west because they wanted a better life, a big factor of settlers moving west was also for land since it was very cheap, also gold and mining opportunities.
<span>World War I is called the first modern war due to the influence of "industrialization," since this led to the creation of weapons that were far more powerful than any in the past. </span>
New England towns along the coast, the colonists made their living fishing, whaling, and shipbuilding.
The answer is the first one, crime statistics of youth in cities that have curfews. If crime rates are lower, the curfew most likely works.