Yes because Alaska still runs on oil. Alaska's north slope has responsibly produced more than 18 billion barrels of oil since the discovert of the prodhoe bay oil field.
Noting a relationship between actions or events such that one or more are the result of the other or others. It's a vast subject so we can get into specifics if you know exactly what you want...maybe examples of cause and effect
Moving west on the Oregon Trail
Explanation:
In the early 19th century the rough outlines of the Oregon Trail were set by Frontier explorers and fur trappers. But it wasn´t until 1843 that the first wagon train of about 1000 settlers (mostly families), known as the Great Migration left for pioneering the west. Word got around and from then on the Oregon Trail received up to 50.000 people every year. This explains the historical importance of the Trail for many migrants who carried their belongings in their wagons.
