First 4 Caliphs were not missionaries to Africa , but many other companions of prophet were .
The Umayyad Caliphate came after the four Rightly-Guided Caliphs.
they ruled differently
There are four caliphs, namely: Abu Bakr assidiq, Umar Ibn Haddaab, Usman and Aliyu bn Abi Thaalib (RA)
None. Caliphs came to power in the Medieval Period. As for the Medieval period, the Caliphs were the leaders of the Muslim Empires called Caliphates. The four first Caliphs were called the Rightly-Guided Caliphs and they also had some religious authority in Islam. Because of the barbarity of the Umayyad Caliphs, the religious authority left the Caliphs and vested in the local Imams. Religious authority would return to the Caliphs in the mid-1500s in the Ottoman Empire until Atatürk abolished the Caliphate in 1936.
The first five books of the Hebrew Bible are: Genesis, Exodus, Leviticus, Numbers and Deuteronomy.
All the first Four Caliphs were chosen in different ways. Later on it became a kind of Kingship, son following the father.
they were the damascus
to northwest europe
they ruled differently
The 99 names of God or 99 names of Allah are the names of God by which Muslims regard Allah. The first five of the 99 names of Allah are "Ar-Rahman", "Ar-Rahim", "Al-Malik", "Al-Quddus" and "As-Salam".
one religion does not use the first five books exclusively. The Jews have different names for the first five books though, like the Pentateuch or the Torah