Which of the following describes how proportional systems of representation for a legislature are generally more beneficial to third parties than winner-take-all systems?
1) Proportional systems allow for a more diverse range of political parties to be represented in the legislature.
2) Proportional systems ensure that third parties have equal representation in the legislature.
3) Proportional systems discourage the dominance of major political parties in the legislature.
4) Proportional systems promote collaboration and compromise among political parties in the legislature.