The quote "...Our empire stretched from Spain in the west to the Euphrates River in the east, and from the Rhine and Danube rivers in the north to Egypt in the south" indicates which occurrence during the rule of Augustus? a Roman expansion of land. b Retraction of Roman lands. c Expansion of citizenship. d Expansion of Christianity.

The quote indicates  a Roman expansion of land. during the rule of Augustus

Explanation:

During the prosperous reign of the king Augustus, the empire of Rome stretched along the lines that the quote has given thus it is a passage about the stretch of land that was under Roman control at that time.

The tone of the passage conveys that it is not just a survey of the land under Roman rule but a boast of the might of the Roman empires and its vast stretch from mythical rivers to far away lands as being described here.

straight down to hell mate