Okay little buddy, so a long time ago, in a place called North Africa, there were lots of different people and tribes living there. One of these groups of people were the Muslims. They believed in Allah, and had a leader called the Caliph who was like a king to them.
One day, the Muslims decided to conquer the Maghreb. This is the name for the region that North Africa is in. They wanted to spread their religion and way of life to other people living there. They also wanted to gain more power and territory for themselves.
So, the Muslims sent armies of soldiers to different parts of the Maghreb. These soldiers were very well-trained and had lots of weapons like swords and spears. They were able to defeat the other tribes and people living there, and take over their cities and towns.
The Muslims didn't just conquer the Maghreb by force, though. They also brought with them a new way of life. They introduced many new ideas and technologies to the people they conquered, like irrigation systems for farming and new types of architecture.
Over time, the Muslims became the dominant group in the Maghreb. They built many beautiful buildings and cities, and their religion spread throughout the region. Many people converted to Islam and adopted their way of life.
So, that's the story of the Muslim conquest of the Maghreb. The Muslims came, they conquered, and they brought with them a new way of life that changed the region forever.