The following map shows the spread of Islam from 632 A.D. (CE) through 1000 A.D. (CE). Use the map to answer the following question:

Map of the spread of Islam, 632 to 1000 A.D. (CE). The map shows most of Western Europe, North Africa, Egypt, Saudi Arabia, and the Persian Empire including important cities in each area. The areas of Spain and western North Africa are shaded to indicate that Islam spread there by 750 A.D. (CE). The areas of Northern Libya, Egypt, Syria, and the Persian Empire are shaded to indicate that Islam spread there by 661 A.D. (CE). The area of Western Saudi Arabia that includes Medina and Mecca is shaded to indicate that Islam spread there by 632 A.D. (CE).
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By the year 1000, where had Muslim armies attacked but not conquered?

Tours and Constantinople
The city of Rome
Egypt, Syria, and the Persian Empire
Mecca and Medina