[Why and how I chose the theme] When we get the list of topic, our PBL group chose "inequality" and did research. While I researched, I found the interesting news that children in the poorest countries have lost four months of schooling since the start of the pandemic. So I examined the relationship between education and inequality and focused on more school closure in education. Because school closure is one of the reasons that cause inequality during Covid19. [Target Audience] While I had decided on my topic, I was in a bit of a bind . Because I did not set the target audience before the second presentation. So I needed to choose a specific target audience. Some people living or studying in high-income and middle-income countries might have no experience when they attend the class. I want to let those people know that many people even cannot afford to attend class via media, including online, tv or radio in low-income countries. Moreover,...