Explanation:

- Winnipeg is a major city in Manitoba, Canada, known for its industrial and commercial activities.

- Option 1: Fur trapping

- Fur trading and trapping were historically significant in Winnipeg’s early days, but it's not what the city is famous for today.

- Option 2: Softwood collection

- While forestry exists in Canada, Winnipeg is not famous for softwood collection. This is more common in other provinces with large forested areas, like British Columbia.

- Option 3: Sawmills

- Winnipeg is not primarily known for sawmills, as it is more central and urbanized, focusing on industries other than lumber.

- Option 4: Newsprint

- Canada produces much newsprint, but Winnipeg is particularly famous for its newsprint industry, contributing significantly to this sector.

Highlighting correct answer:

Option:4, Newsprint