I (God) could have made the entire mankind born into one community, one tribe and one nation

But I (God) did not do that

I (God) wanted to check not how religious you are
but how conscious you are despite religious divisions

The prophets I (God) send did not preach religions but humanity

I (God) manifested you (man) in this world not to preach your religion to another and convert people

Not to tell my Allah is greater than your God and to  say my Muhammed (pbuh) is special than your Jesus (pbuh)

That was not the task given to you
The task entrusted to you is to REALIZE me (God) within you (man)