Why do you think there are so many branches of islam, christianity, and judaism?

So, too, Islam and Muslims recognize Judaism and Christianity their biblical prophets among them Adam, Abraham, Moses, and Jesus and in their use of similar greetings meaning peace be upon you shalom aleichem in Judaism, pax vobiscum in Christianity, and salaam alaikum in Islam. hope u have a wonderful day :)

Both countries had to aprove annexation.