One problem is by trading by sea, ships are bring invaise sea creatures to other countries and can harm the wild life for other marine ecosystems and for tons of people.
It was the "Oregon Train" that brought settlers to the Willamette Valley, sine although there were other smaller trails in the region, this was the most traveled by those wanting to start new lives and businesses in the region.
He would sometimes use a translated version of the bible, in this case, he did. This speech is an allusion to his bible, and he means that slave owners get labor produced yet it is not from their own work. Thus it was from the sweat of other men that that they obtained there "bread". There bread symbolizes all of their wealth.
The classic example of this divide is how, traditionally, history curriculums approach the Civil War.
While this is less the case today, 25-50 years ago, if you grew up in the South, you would have learned about the "War of Northern Aggression"
If you grew up in the North, you would have learned about the American Civil War and the South's history of slavery and the war to end the slavery.
"Traditional" History is often written by those that were victorious, so it is remarkable to see how in the modern era voices are being heard that would not have been traditionally heard.
A global society means that history is more nuanced with more perspectives present at the table of history.
But there is still a long way to go. Californians will spend lots of time learning about Sutters Fort while Pennsylvanians will learn about Fort Duquesne.
