Need Knowledge on Gaza/palastine crises

Salam 😃
i hear alot about gaza and palistine
i dont know the underlining causes of it
like why it started, how, whos killin these inncoent people,,,
hows islam related with it
can u please help me out
i want to gain knoweldge in this subject...
hopefully u can help
Wasalam

God Bless U !! 😃