After about 100 minutes of fighting , `` Bismarck '' was sunk Motion_directional by the combined effects of shellfire , torpedo hits and deliberate scuttling .

The wood had dense undergrowth which retarded Hindering movement , made it difficult to keep Preventing_or_letting direction and during the battle the trees were brought Bringing down by shellfire , becoming entangled Hindering with barbed-wire and strewn Filling with German and British dead .