How would it impact the currently high-level of political polarization?

Which is more preferable to you and why: a presidential or aparliamentary system? Give country examples.● Some Americans express support for third politicalparties/candidates, yet according to Duverger’s law, countries with single-member district (SMD) electoral systems (like the US) tend to be dominated by two parties, while proportional representation (PR) electoral systems enable multiple parties. How would switching to a PR system effect US politics? How would it impact the currently high-level of political polarization?● How much does citizen trust in, and engagement with, government impact the quality of government institutions and their ability in solving problems (e.g., public health crises)?● What are accounts for democratization of many Asian countries? Give country examples.