Answer:
3. Increasing government spending and selling government bonds in the open market
Step-by-step explanation:
I will say option 3. Because I think the more government spending money, the more jobs there will be created, which will help lower the unemployment rate.
I don't think it is option 1, because we see in real life that even though tax decrease, the unemployment rate still increases during the pandemic.
I don't think increasing taxes in option 2 will help lower unemployment because it creates more issues for people.
I don't think it is option 4 because, let's say if the government spends more money on fixing the street, a lot of jobs will be created. But if government spending decrease, the jobs number will decrease too!