Which of the following statements best reflects a key difference between the Roman Senate and the U.S. legislative branch?

- Members of the Roman Senate could declare war, but the U.S. Congress does not have that power.
- Roman senators were selected officials, whereas initially U.S. senators were chosen by popular vote.
- Although Roman senators served for life, the writers of the U.S. Constitution specified term lengths to limit individual power.
- While the Roman Senate was only an advisory council, the U.S. Congress shapes laws on a daily basis.

- Roman senators were selected officials, whereas initially U.S. senators were chosen by popular vote.