Answer:
You can’t prove that something is impossible—all you know is that [it] hasn’t been done yet.
Some domains such as .com, .org, and .net can be purchased and used by any individual. However, the domain .edu is reserved for colleges and universities, while .gov denotes a government website. These two are usually credible sources for information (though occasionally a university will assign a .edu address to each of its students for personal use, in which case use caution when citing). Be careful with the domain .org, because .org is usually used by non-profit organizations which may have an agenda different than educating.
Answer:
it means the significance within a certain culture compared to other culters around the same era
He deals with the negative aspects of the french revolution.
