    Sentence I: What country did ABC expand in to in. the.  mid-1960s?    Sentence 2 The frst attempts to internationalize the  ‘ABC television network date back to the 1950s, after  Leonard Goldenson. following the United Paramount  Theatres model. tried fo.use on ABC the same strategies  he had made in expanding UPT’s theater operation to  the intemational market.    