Trump announces tariffs on aluminum and steel

On March 1st, President Trump announced tariffs on steel and aluminum.Watch the video, copy and answer the following questions:

1. What is WTO? Why has WTO been so terrible for the USA?
2. What will happen when steel and aluminum tariffs are applied?
3. What does the USA need steel and aluminum for?

Here you have another video. Copy and answer the following questions:

1. How much does President Trump want to increase tariffs on steel and aluminum?
2. What has been the role of China in commercial relationship with the USA?
3. What is the current situation of American steel factories?Why?