What does the title of the poem futility suggest about the tone of the poem?

The Word 'Futility' means use lessness.

The title of the poem 'Futility' gives us a clear idea about the theme of the poem.

The poet thinks is war nothing but a massacre of young boys.

The poem is about the death of a strong English Soldier in an alien land.

The poet says with pain in his heart that the sun cannat bring the dead soldier back to life.

So the efforts of the sun are futile.

Thus the title of the poem is apt.