The iron legs of Dan 2 are Rome, you agree that the legs dividing are Rome dividing.
And Dan. 7 shows the 4th beast as being Rome.
The beast that has 7 heads that are 7 hills/mts. in Rev 17:9 is Rome.
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Who is the head of Rome but Caesar/BoR?
When it talks about the beast, it is talking about all three entities at once, Satan (the dragon), Rome (the beast), and Caesar/BoR (the leader/head of the beast).
The sea mentioned in Rev 13:1, is the sea of the gentile peoples Rev 17:15. See how the whole passage symbolic.
The beast that comes out of the sea of the gentiles has 7 heads and ten horns, Rome. Caesar is Rome.
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The beast that comes up from the earth is rising from the religious world, as the earth is closer to heaven and God than the sea of the gentiles. This is religious Rome, Caesar worship (worship the creation, man as god).
The Roman Empire died, but Caesar worship continued to this day, under the form of the Vatican/BoR.
Just a suggestion .Finding the spiritual understanding of that parable is the key to understanding the poetic language of God it is signified using the things seen to represent the eternal not seen.
I would think the whole statue represents the kingdoms or denominations of this world that walk by sight.
1John 2:16 For all that is in the world, the lust of the flesh, and the lust of the eyes, and the pride of life, is not of the Father, but is of the world.
The bible is concerned with the spiritual things of this world, not the political nations as kingdoms . I agree with Rome. Rome represents one of them. Why Rome alone?
Eastons dictionary.. Figuratively, a yoke of iron (Deut. 28:48) denotes hard service; a rod of iron (Ps. 2:9), a stern government; a pillar of iron (Jer. 1:18), a strong support; a furnace of iron (Deut.4:20), severe labour; a bar of iron (Job 40:18), strength;fetters of iron (Ps. 107:10), affliction; giving silver for iron
Isa. 60:17), prosperity.
The city on the hill/mountain is the bride of Christ . Seven represents perfection. The church is a representative glory .It cannot be hid under a basket
And he carried me away in the spirit to a great and high
mountain, and shewed me that great city, the holy Jerusalem, descending out of heaven from God,Having the glory of God: and
her light was like unto a stone most precious, even like a jasper stone, clear as crystal;Rev 21:10