mercy for human beings

DARKNESS , IGNORANCE , INEQUALITY , WOMAN SLAVERY.. can you imagine a society with such characterisitcs ?!
society where its individual live in totally DIFFERENT social classes where you can see the SLAVES and the MISTERS, the POOR who are struggling to find a piece of BREAD so that they could live, and the RICH who are throwing their REMAINS of food .
A pieces of ROCK statues that have been made to WORSHIP,.. rocks that doesn't SEE, LISTEN,.. or even UNDERSTAND any thing ,..society rolled by ignorance FOLKLORES that oppress the weake for the strong .
Fathers KILLED their innocent DAUGHTERS as they felt it's a sham to have A GIRL not A BOY.. ?!
GIRLS were FORCED to MARRY the man her father chose no matter what she wanted.
SLAVES TRADING..
BUT, through that darkness and injustice A SPOT of LIGHT began to occur..
and the destiny of humanity was about to change for ever, the light of TRUTH began to shine .
is it possible to change the world can the darkness DISAPPEAR and JUSTICE and PEACE be achieved in the real world.. ?!
can one man .. just one man Change the world to be A PEACEFUL PLACE ? ..
YEAH .. that's what actually HAPPEND in the real world ..
ONE man .. just ONE man changed the HISTORY and the DESTINY of the all HUMAN BEING ..
ONE man but , he's not any man .. he is the man who CHANGED the world , the man who was sent as A Mercy for human beings .. is MUHAMMAD (PBUH) .