OG, SC10

<However much United States voters may agree that> there is waste in government and that the government as a whole spends beyond its means, it is difficult to find broad support for a movement toward a minimal state.

(A) However much United States voters may agree that



早速、質問させて下さい。正解はＡ）ということですが、文構造（文法）が理解できていません。Howeverは接続詞なのでしょうか？またmuchはmanyでは？