The only option that is not generally a reason why historians study societal change would be "<span>d. to estimate how long it would take to build a road system," since this requires a separate type of research. </span>
Answer:
Christians and Jews established co-ordial relationship after a long period of time and before that they used to pay protection tax for safety, employment and other facilities.
Explanation:
The non-Muslim groups comprising of Christians and Jews were meant to pay a special tax known as jizya which was meant to protect them. However, these groups were integrated into the societies and were offered equal employment in administrative, cultural, and scientific institutions. Later, they established relationship with caliphate and then negotiated for changes in policies that ensure more religious freedom to them. With further strengthening of relationship, churches and monasteries were constructed and repaired.
The US and the Soviet Union
Answer:
orthodox christanity
roman catholicism
Explanation:
greek is founed on religion