We shouldn't deny the 'existence' of these problems. [=we shouldn't deny that these problems are present or real]
long before the country had 'come into existence' [=begun to exist; come to have actual being]
I owe my very 'existence' [='life'] to their courage. [=I am alive because of their courage]
(..) Now I'm being followed. The higher ups don't like someone with my powers. In three short minutes, I destroyed a man's business, life, existence. - I deleted him. - Hey! Hey, you. Hey, kiddo. What's happening? (..)2015 TvShow: Mr. Robot Title: eps1.0_hellofriend.mov Season: 1 Episode 1