I tried to work along the borders, the peripheries
Does "I tried to work along the borders, the peripheries" mean that he wanted to show the military operations of the US overseas? That is, "borders and peripheries" implies the geographical borders of the US.
Text:
‘In the 80s, with the Mercenaries [a subsequent series] I tried to work along the borders, the peripheries – how official power becomes ferocious indirect power,’ Golub recalled. ‘These paintings state that you cannot see America without seeing the Contras, and everything else that has gone on.’ Golub was commenting on US support for opponents of the legal government in Nicaragua.