The chords are simply played in a strum bass,2,1 and you can enter some 3 and 4 between 
to "fill it up"
In the G I prefer open e string and D not playing it at all..
I added a special intro that is very close to the original piano.
It's just recommend, if you feel it's too hard try the alternative.
The whole point is to play with the e string, use the strum, it will help.

G* =  320030
Am5 = x02211
D* =  xx023x
E* =  022111

Intro: |Am|E|G*|D*|Am,Am5|E,E*|G*|D*|

(or Alternative Intro) :
|Am|E|G|D| x2



Verse:
Am (x02210@1)                             E (022100@1) There are children standing here,
                             GArms (320003@1)outstretched into the sky,
                          DTears (xx0232@1)drying on their face, he has been here.
Am (x02210@1)                         E (022100@1) Brothers lie in shallow graves.
                          GFathers (320003@1)lost without a trace.
                               DA (xx0232@1)nation blind to their disgrace, since he's been here.

Chorus:
Am (x02210@1)             E (022100@1)         G (320003@1) And I see no bravery, No bravery,
         DIn (xx0232@1)your eyes anymore, Only sadness.
Am (x02210@1)             E (022100@1)         G (320003@1) And I see no bravery, No bravery,
         DIn (xx0232@1)your eyes anymore, Only sadness.
FD             FD
   Only sadness

Verse:
Am (x02210@1)                        E (022100@1) Houses burnt beyond repair.
                               GThe (320003@1)smell of death is in the air.
                        DA (xx0232@1)woman weeping in despair says, he has been here.
Am (x02210@1)                         E (022100@1) Tracer lighting up the sky.
                               GIt's (320003@1)another families turn, to die.
                          DA (xx0232@1)child afraid to even cry out says, he has been here.

Chorus:
Am (x02210@1)             E (022100@1)         G (320003@1) And I see no bravery, No bravery,
         DIn (xx0232@1)your eyes anymore, Only sadness.
Am (x02210@1)             E (022100@1)         G (320003@1) And I see no bravery, No bravery,
         DIn (xx0232@1)your eyes anymore, Only sadness.
FD    FD

Verse:
Am (x02210@1)                            E (022100@1)There are children standing here,
                             GArms (320003@1)outstretched into the sky,
                                DBut (xx0232@1)no one asks the question why, he has been here.
Am (x02210@1)                             E (022100@1)Old men kneel to accept their fate.
                                 GWives (320003@1)and daughters cut and raped.
                          DA (xx0232@1)generation drenched in hate, says he has been here.

Chorus:
Am (x02210@1)             E (022100@1)         G (320003@1) And I see no bravery, No bravery,
         DIn (xx0232@1)your eyes anymore, Only sadness.
Am (x02210@1)             E (022100@1)         G (320003@1) And I see no bravery, No bravery,
         DIn (xx0232@1)your eyes anymore !

Solo:
|Am|E|G|D| x2

Chorus:
Am (x02210@1)             E (022100@1)         G (320003@1) And I see no bravery, No bravery,
         DIn (xx0232@1)your eyes anymore, Only sadness.
Am (x02210@1)             E (022100@1)         G (320003@1) And I see no bravery, No bravery,
         DIn (xx0232@1)your eyes anymore, Only sadness.
FD             FD
   Only sadness

Amazing song with such a simple but penetrating rhythm,
Hope you'll enjoy it as I do.