Answer:
9/11 was caused by al-qaeda/ bin laden and The attacks killed 2,996 people, injured over 6,000 others, and caused at least $10 billion in infrastructure and property damage.
Explanation:
Answer:
Islam spread so quickly largely in part because its leaders conquered it's surrounding territories... because its lands were well governed and orderly. And most likely the largest reason, trade trade and trade. Hope this helps.