Tariffs can be positive for the country enacting them. The US does have a strong hand here in a lot of sectors. Both China and Japan are fairly protective, fo

Tariffs can be positive for the country enacting them. The US does have a strong hand here in a lot of sectors. Both China and Japan are fairly protective, for example, to their benefit. However blowing up your influence in the world when a whole bunch of your corporations make a significant amount of income from the rest of the world is always going to be negative. Zero positive effects there.