What is C-58, the government's new anti-replacement-worker legislation?

The labour movement hails C-58 as a major victory, saying it will help level the playing field in contract disputes with employers.

What is C-58, the government's new anti-replacement-worker legislation?
A man wearing a suit, with others behind him, speaks at a podium.

The labour movement hails C-58 as a major victory, saying it will help level the playing field in contract disputes with employers.