سيدنا محمد

The treaty was most fortunate for even though Islam was
growing in Yathrib, the Muslims in Mecca were still suffering. The
Prophet (pbuh) therefore told his friends and followers to go to
Yathrib where they would be safe, and most of them took this
opportunity to leave. Despite all this suffering the Prophet (pbuh)
was not allowed to fight his enemies, for Allah had told him to
forgive those who insulted him or would not listen to his message.
But the Quraysh had closed their minds so utterly to the word of
Allah, and grew so hard-hearted towards the Prophet (pbuh)and his
followers, that Allah gave permission to the Prophet (pbuh) to fight
those who tried to harm him or his companions.
In the Name of Allah, the Beneficent, the Merciful
“Permission is given unto those who fight because they
have been wronged; And Allah is surely able to give them
victory; Those who have been driven from their homes
unjustly only because they said: Our Lord is Allah”.(Koran
xxii.39-40)
Quraysh began to fear the Prophet (pbuh) for they realised
that he was now strong enough to fight them and had been
given leave to do so by Allah. They also knew that he now had
the people of Yathrib to help and protect him.
Seeing that the Muslims were leaving the city, they decided
to kill the Prophet (pbuh), before he, too, left Mecca to join his
followers in Yathrib. In this way they hoped to put an end to
Islam once and for all.