Ka Mate.

*What does this line refer to?

'Tis death! 'tis death! (or: I may die) `Tis life! `tis life (or; I may live) `Tis death! `tis death! `Tis life! `tis life! 

-It means sacrificing their lives or they're going to kill the enemy or they are going to die.

*How was the Haka used successfully by the Maori Battalion in World war One and how the Maori battalion was viewed?

-It was performed on the battlefields for two reasons. Firstly, it was done to scare their opponents; the warriors would use aggressive facial expressions such as bulging eyes and poking their tongues.

*What is the Haka symbolic of now and where is it used today?

-The Haka is being performed by the New Zealand rugby team on the field. To start off their game.

New Zealand Rugby Team Haka.