Much of this poverty was said to be "invisible." It affected Blacks in urban neighborhoods and whites in depressed rural areas like the Appalachian Mountains. Middle-class Americans never saw the misery in other sectors of American society. Poverty amid plenty was another paradox of the '50s, but most people were able to ignore it.
(hope this helps ^^)
Shall or will spray I believe is the correct answer XD
True, because practicing your speech can make you confident when speaking in front of audience, and helps you memorize it.