Donald Trump leads the USA. He warns the EU against a close link with Canada. Ursula von der Leyen wants a new partnership with Canada. Canada shall become an associated member of the EU. This means: Canada works very closely with the EU. They want to help in tech and defense.
Donald Trump dislikes this plan. He calls the idea bad. Trump now threatens the EU with high taxes. Taxes are money for goods from other lands. He says: If the EU does this, he stops trade with Europe. Trump sees the plans as hostile.
Canada and the EU want to grow strong together. Both lands dislike the politics of Trump. They find his rules for trade unclear. Mark Carney is the head of the land Canada. He gives a speech on Thursday in the EU parliament. He wants a strong bond with Europe.