What happened to the Roman Empire’s territory as time passed?

(See explanation below for further details)

Explanation:

The Roman Empires keeps expanding from 1st to 2nd Centuries by the annexation of part of the British Islands, territories of the actual Romania and parts of Mesopotamia. Then, expansions ceased and after the 3rd Century Crisis, barbarians invaded the Roman Empire and they received parts of land in the western part of the empire in exchange of their help to combat another barbarians. In 395, the Roman Empire was definitely divided into two territories and by 470, the Western Roman Empire was limited to the territories in the Italian peninsula.

answer: d. an organization that fought for women's voting rights