英语翻译“No other force is likely to shape the future of nationa

英语翻译
“No other force is likely to shape the future of national economic health,public finances and policy making,”analysts at Standard &poor's wrote in a recent report,“as the irreversible rate at which the world's population is aging.”
嗯,as是随着的意思吗
which在这里是引导从句吗 先行词是什么 还是引导状语从句 没先行词呢?