Roman Government

Before Imperial Rome, The Roman Empire was run as a Republic a democracy, however it was replaced by the rule of one man an Emperor.
However certain elements were retained from Rome's Republican era.
Use the following web links to answer the questions below.
Questions
1. What was a Consul and describe their role
2. Describe the Roman Senate
3. Who could become a Senator
4. What was an Aedile?
5. What was a Praetor?
6. What was a Censor?
7. What was the Role of Quaestor?
8. What did Augustus do in 31 B.C.E (BC) and what was Kept from the Roman Republic under the new Roman system?.