Based on the message of the Gospels, especially Matthew 28:16-20 what do you think would be one of the main issues on which His ministry would focus, and how would He address it?

Based on the message of the Gospels, especially Matthew 28:16-20 and Matthew 20:1-16, if Jesus walked the streets of 21st century America, what do you think would be one of the main issues on which His ministry would focus, and how would He address it? In the light of this, what should the church be doing today?