Yes correct mamas thank you have a nice day
It blocked other people from coming in to the land
Explanation:
Significance. The barbarian kingdoms marked the transition from Late Antiquity to the Early Middle Ages in the 6th and 7th centuries, gradually replacing the Roman system of government on the lands of the Western Roman Empire, notably in the two western prefectures of Gaul and Italy.
The atomic number is the same as the proton number, so the answer would be 10.