The Gracchus reforms which took place in second century B.C by brothers Tiberius and Gaius; esentially attempted to return the land to small farmers (Plebeians) from the hands of the wealthy class (Patricians).
The immediate outcome of this struggle was instability in Rome and the assassination of both brothers directly by the hand of the senators in broad daylight with absolute impunity, this, showing the power of the senate in republican Rome, as well as, how difficult it was to change the situation.
Historians at the time even claim that within 15 years after the Gracchus reforms, the Plebeians were in a much worse position than before, many of them reduced to unemployment.
The outcome in the long term was no good for plebeians either. The reforms had no permanent effect, some of them were repealed at once while some continued with weak effects over time. Land problems and differences between classes plagued Rome at all times thereafter.
Explanation:
Proportional representation (PR) characterizes electoral systems in which divisions in an electorate are reflected proportionately in the elected body. ... The essence of such systems is that all votes contribute to the result—not just a plurality, or a bare majority.
The jobs in each region were different due to the economy and the geography there. That is what decided what jobs were available