### Instruction: Who are the almoravids ?
### Input: The Almoravid dynasty (Arabic: المرابطون, romanized: Al-Murābiṭūn, lit. 'those from the ribats') was an imperial Berber Muslim dynasty centered in the territory of present-day Morocco. It established an empire in the 11th century that stretched over the western Maghreb and Al-Andalus, starting in the 1050s and lasting until its fall to the Almohads in 1147. The Almoravid capital was Marrakesh, a city founded by the Almoravid leader Abu Bakr ibn Umar c. 1070. The dynasty emerged from a coalition of the Lamtuna, Gudala, and Massufa, nomadic Berber tribes living in what is now Mauritania and the Western Sahara, traversing the territory between the Draa, the Niger, and the Senegal rivers.

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### Response: The Almoravid was imperial Berber Muslim Dynasty. They rulled in Morocco from 1050 until 1147 and Marrakech were their capital. They emerged from a coalition of the Lamtuna, Massufa and Gudala, nomad berbers l.