You are required to write the country report analysing the impact of various crisis and the impact they have had on the singapore's economy. You must compare 4 main crises (financial, economic, currency, political, social or pandemics) from the past with the shock to the economy that Covid-19 pandemic had in 2020, 2021 and forecasted for 2022. You then need to discuss the policies that were taken by the government to alleviate the negative impact these crises had on society and evaluate how successful they were.

** please give me the correct answer with explanation also give me the conclusion as it is mandatory.