What is the answer to this question marking brainliest if it's correct and explain​

Which of the following inventions most directly allowed ancient farmers to produce a surplus ?

Which best explains how wealthy residents of italian cities contributed to the renaissance? a) wealthy residents bought works of art, which supported artists. b) wealthy residents participated in religion, which supported the church c) wealthy residents participated in music, which supported the arts. d) wealthy residents bought classical books, which supported scholars.

During what century did muhammad recieve his first revelation from god