The answer is:
At age nine, students began learning Latin, which was the language of international affairs.
Relative clauses provide additional information about something that has already been mentioned. In this case, the subordinate relative clause "which was the language of international affairs," makes a further comment about the previously mentioned Latin language.
with the smell of steaks in passageways (olfactory=sense of smell)
Hmmmm brainly costs brainly
