Personification because cattle cant be dumb or driven cause those are human traits!
His satire is aimed at the "hypocrisy" of making an adventure appear more glorious than it was. He is trying to say that there is nothing glorious about war, there is only death and suffering, and it is definitely not a pretty sight.
To state your position in a clear and arguments manner .
Treasure in the first usage means precious gems like gold or silver . In its second use, it means to value something.
Hope this helps. We could help more if I had the poem for sure posted here but this is the meaning from the poem I think you are talking about.
Have a great day!
