幅(はば)広(ひろ)い() habahiroi選(せん)択(たく) sentakuの no余(よ)地(ち) yochiが gaあった attaであろう dearouに ni。 There would have been a wide range of choices. Literal Wide selection [possessive-の] room [subject-が] existed would-have. 幅広い選択の余地 means 'room for wide selection.' あったであろう uses the classical/literary conjecture であろう (would have been) — more formal than あっただろう. に is slightly implied before the copula. daily lifeであろう (literary conjectural)
幅(はば)広(ひろ)い() habahiroi選(せん)択(たく) sentakuの no余(よ)地(ち) yochiが gaあった attaであろう dearouに ni。 There would have been a wide range of choices. Literal Wide selection [possessive-の] room [subject-が] existed would-have. 幅広い選択の余地 means 'room for wide selection.' あったであろう uses the classical/literary conjecture であろう (would have been) — more formal than あっただろう. に is slightly implied before the copula. daily lifeであろう (literary conjectural)