Which parts of this passage from Beowulf indicate that the poem is about war and glory?

Lo! the Spear-Danes’ glory through splendid achievements

The folk-kings’ former fame we have heard of,

How princes displayed then their prowess-in-battle.

Oft Scyld the Scefing from scathers in numbers

From many a people their mead-benches tore.

Since first he found him friendless and wretched,

The earl had had terror: comfort he got for it,

Waxed ’neath the welkin, world-honor gained,

Till all his neighbors o’er sea were compelled to

Bow to his bidding and bring him their tribute:

An excellent atheling! After was borne him

A son and heir, young in his dwelling,

Whom God-Father sent to solace the people.

He had marked the misery malice had caused them