The correct answer is C) across the Middle East, North Africa, and Europe.
In the first one hundred years after Muhammad’s death, Islam spread across the Middle East, North Africa, and Europe.
Missionary activities played a key role in the spread of Islam in the first 100 years. Early Muslims conquest in the 7th century throughout the Arabian peninsula, established a new series of caliphates that strengthen the presence of Islam in the region. In only 100 of Islam, the teachings of Mahoma had spread through Persia, North Africa, Europe, the Iberia peninsula, and the Caucasus.