It may also be called a power bloc, or a voting bloc.
ɪ t WORD_BOUNDARY m eɪ WORD_BOUNDARY ɔ l s oʊ WORD_BOUNDARY b iː WORD_BOUNDARY k ɔ l d WORD_BOUNDARY ʌ WORD_BOUNDARY p aʊ ə ɹ WORD_BOUNDARY b l ɑ k WORD_BOUNDARY ɔ ɹ WORD_BOUNDARY ʌ WORD_BOUNDARY v oʊ t ɪ ŋ WORD_BOUNDARY b l ɑ k WORD_BOUNDARY