The three major achievements of the Romans from the options you provided are best represented by:
d) aqueducts, roads, books
- Aqueducts: The Romans were known for their advanced engineering skills, particularly in building aqueducts to transport water to cities.
- Roads: They constructed an extensive network of roads that facilitated trade and military movement across their empire.
- Books: While the Romans did not invent books, they made significant contributions to literature, preserving and copying many works that would form the basis of Western literature.
Options a), b), and c) do not accurately reflect significant Roman achievements.