As I believe, Qualities of four Caliphs.
Abu Bakr Siddiue (R.A) - Friendship, Approach, Courage
Umar (R.A) - Self-Discipline
Usman Ghani (R.A) - Will Power and Determination
Ali (R.A) - Kindness
Answer 2
According to Shia Islam the first 3 of them have not been legimate Caliphs. because in Shia Islam Caliph is representative of God on earth and only God has the right to select his representative according to Quran. and God did not elect those first 3.
The Umayyad Caliphate came after the four Rightly-Guided Caliphs.
First 4 Caliphs were not missionaries to Africa , but many other companions of prophet were .
they ruled differently
to northwest europe
they ruled differently
they were the damascus
All the first Four Caliphs were chosen in different ways. Later on it became a kind of Kingship, son following the father.
Iraq
Sunni
The first four Caliphs in Islam are regarded as the Khulfa-e-Rashidun or The Four Rightly Guided Caliphs. These caliphs are regarded as the most famous and comprise of Hazrat Abu Bakr, Hazrat Umar, Hazrat Usman as well as Hazrat Ali.
abu baker umar uthman ali
they finished by different political events.