RobH_en_tn/dan/08/10.md

It became so large as to engage in war

Here the horn is given qualities of a person and is engaging in war. (See: rc://en/ta/man/translate/figs-personification)

Some of that army ... thrown down to the earth

This can be stated in active form. Alternate translation: The horn threw some of that army and some of the stars down to the earth" (See: rc://en/ta/man/translate/figs-activepassive)

it trampled on them

Here the horn is given qualities of a person that tramples on the stars and on the army. (See: rc://en/ta/man/translate/figs-personification)