All interpreters agree that the empires or world powers denoted by the various parts of the great image in Dan. 2:31–45 and by the four beasts from the sea (Dan. 7) are the same.
We first direct attention to the apocalyptic form and method of the Book of Joel. His prophecy is arranged in two leading divisions. The first part consists of a twofold revelation of judgment. Each revelation is accompanied by words of divine counsel and promise (chapters 1:1–2:27). The second part goes over a portion of the same field again, but delineates more clearly the blessings and triumphs which shall accompany the day of Jehovah (chapters 2:28–3:21; Hebrew text, chapters 3 and 4).
Ancient biographies often opened with the noble background of their subject, background that would shed light on the identity or character of the person about whom they wrote.