 <translate> The important part for answering this question is: The expression is often applied to the Parliament of the United Kingdom because of the adoption of the Westminster model of parliamentary democracy by many countries of the former British Empire. Therefore, the final answer is because of the adoption of the Westminster model of parliamentary democracy by many countries of the former British Empire. <yor> Apá pàtàkì tó yẹ ká fi dáhùn ìbéèrè yìí ni pé: A sábà máa ń lo gbólóhùn náà fún Ilé Ìgbìmọ̀ Aṣòfin Ilẹ̀ Gẹ̀ẹ́sì nítorí pé ọ̀pọ̀ orílẹ̀-èdè tó wà lábẹ́ Ilẹ̀ Ọba Gẹ̀ẹ́sì tẹ́lẹ̀ ló ti tẹ́wọ́ gba ìlànà ìjọba tiwa-n-tiwa ti Westminster. Nítorí náà, ohun tó fà á tí ìdáhùn tó gbẹ̀yìn fi rí bẹ́ẹ̀ ni pé ọ̀pọ̀ orílẹ̀-èdè tó wà lábẹ́ Ilẹ̀ Ọba Gẹ̀ẹ́sì tẹ́lẹ̀ ló ti tẹ́wọ́ gba ètò ìjọba tiwa-n-tiwa tí wọ́n ń pè ní Westminster. 