A good many things contributed to this accent on success.There was the Puritan(清教徒的) belief in the virtue of work,both f

A good many things contributed to this accent on success.There was the Puritan(清教徒的) belief in the virtue of work,both for its own sake and because the rewards it brought were regarded as signs of God’s love.There was the richness of opportunity in a land waiting to be settled.There was the lack of a settled society with fixed ranks and classes,so that a man was certain to rise through achievement.
本段首句中A good many things contributed to this accent on success.中contribute to 本句如何译?