Secondary Sources are useful because they offer a different point of view to past events. While most secondary sources are based on a primary source, they are still useful because of the analysis that they can offer compared to past stories.
college degree earn nearly twice as much as those without college. Hope this helps.
NATO I believe I am not absolutely sure but I believe that it is NATO
I think D is the correct one !
Either the Goths or the Vandals
(ik those sounds like weird heavy metal bands, but I can assure you they are the names of two Germanic tribes)