Salamualakim
His message appealed to them because Who wouldn't believe if he(peace be upon him) spoke to Allah.
Muhammad spoke about a day of judgment when there would be a reckoning. Those who were poor in material but rich in spirit were bound to improve their stature.
Because then everybody will be equal
Most early believers were poor and slaves .
Muhammad's message appealed to the poor because it emphasized equality, social justice, and the importance of taking care of the less fortunate. His teachings encouraged helping those in need, sharing wealth, and promoting compassion towards others regardless of their social status. Muhammad's message provided hope and a sense of belonging to those who were marginalized in society.
Muhammad (S.A.W) gave the message that there is no God but Allah and Muhammad is the last messenger of God. His message As to it's appeal. To begin with, Islam abolished the pagan practice of burying daughters alive. Also, it gave equal rights to men and women, the rich and the poor. But the main reason that sincere truth-finders were attracted to Islam was because it all made perfect sense.
Muhammade's message appealed to the poor as a great thing because there wasn't any more rich or poor people, everyone was treated equally unless they didn't follow the rules.
Muhammad preached that all people are equal and that the rich should share their wealth with the poor . Many poor people began accepting Muhammad's message and became Muslims, or followers of Islam.
Answer
Quran & Hadith is message of Prophet Muhammad pbuh .
In marketing or advertising, a MESSAGE APPEAL is simply the approach used to get a message across. On could use many appeals to diffuse a message. Here are some examples of appeals: Rational, Emotional. Emotional appeals are one of the most popular, as the sex appeal falls in this category. Look at how often sex is used to convey a message in an advertisement or marketing scheme.
Islam !!
Muhammad's Messages became the holy book of the "Quaran"Quran
Most early believers were poor and slaves .
Answer: Around 600+ AD