please help with these questions

1..After more than 70% of population take the COVID-19 vaccines, which industry will be expected to recover quickly in the U.S. economy to increase the GDP significantly? Please explain briefly in own words.

2.In your opinion, are the stimulus checks a must to bail out the economy from the downturn by COVID-19 pandemic? What are the impacts of the stimulus checks on the unemployment rate? Please state your answer in the language of economics and indicate which macroeconomic model (classical, Keynesian, monetarist, or rational expectation) to support your answer.