What pre-condition had to be accomplished on the iberian peninsula before portugal and spain could unify internally as nations?

whose power in the senate is equal to the power of the speaker of the house?

well this is going to be a long answer lol ok so the visigoths were a branch of the goths who frequently raided rome, uh the hunas attacked the guptas a lot and weakened them, uuhm of course the romans used math and science in there every day lives i mean they had a whole empire to run, and rome was split into east and west by a general named diocletian. hope this you! : )