They used the Qur'an and Muhammad's actions as guides to leadership.
Absolutely. Ali, God grant him peace, was a cousin of Prophet Muhammad (God bless him and grant him peace), and one of the four Rightly-Guided Caliphs. Many sunnah Muslims have this name.
Greedy people want god's salvation.He is just one of them, and with the people.Can be said to be the faith in their heart, so finally get god's blessing, achieve success together.
The first four Caliphs are the most trusted followers of the holy Prophet (SAW) who were elected by the majority vote of the holy Companions RA of the holy Prophet (SAW). For this they are called the Khulafai Rashideen.
Umayyad Caliph Ibrahim ruled for a few weeks at the end of the year 744 C.E. This is the shortest reign of any Caliph.If you are referring to the Rightly-Guided Caliphs, Hassan ibn Ali ruled as Caliph for seven months in 661 C.E. before ceding power to Mu'awiya and conceding the end of the the Rightly-Guided Caliphs. Of the four dominant Rightly-Guided Caliphs, colleague Ibrahim El-Osery is correct that Abu Bakr ibn Quhafah reigned for the the shortest amount of time, 27 months from 632 C.E. to 634 C.E.
Only the first Four Caliphs are called the Rightly Guided Caliphs because they were the most near ones and loved ones of the Holy Prophet SAW. They ruled according to the teachings of the Qur'an and the Sunnah.
God
Prophets are regarded as men of god rightly so, as they bring the word of God to the people. Sometimes it can be a warning of what god will do.
The Hour of Power - 1970 God Guides God Provides God Abides was released on: USA: 10 April 2011
The first four Caliphs are all informed by Prophet Muhammad (PBUH) that they are promised by God to among ten prophet Muhammad companions who to be accepted the God Paradise in their 2nd life. Also, the four have close relations to prophet Muhammad (PBUH). Prophet Muhammad (PBUH) married the daughter of each of the first two Caliphs. The third Caliph married the daughter of prophet Muhammad and when this daughter died he married the other daughter. The fourth prophet married Fatima (may God be pleased with her) the youngest daughter of the prophet.
They are: Hazrat Abu Bakr Siddique, Hazrat Umar Farooq, Hazrat Usman Ghani, Hazrat Ali (May Allah be pleased with them all).
Prophet Muhammad (PBUH) and the Caliphs Abou Bakr, Omar, Othman, and Aly (God be pleased with them)
Abu Bakr was important to Muslims because he was the first of "The Rightly Guided Caliphs" He also taught them to believe and move on from Muhammad's death, he taught them how to believe in Allah and not Muhammad