Crossword clues for System or year 5 lettersAnswerClueSOLARSystem or yearONEBCYear before the A.D. system beganINDIACisco Systems will invest $150 million here over the next two yearsERAYear-numbering systemBCSNCAA year-end games systemGOLDSTANDARDMonetary backup system for the 50th yearINCABuilders of a 400-plus-year-old 25,000-mile road system that's a UNESCO World Heritage SiteERISSolar system object whose orbit takes 557 Earth years