What were the effects of intellectual innovation in Dar al-Islam?

The Muslims were allowed to freely practice their beliefs in Dar al Islam.

Explanation:

Dar al Islam was the place where Muslims used to worship to Allah freely. The were given freedom to practice their cultural and religious beliefs. The place was owned by non believers yet they were so inspired by the Muslim beliefs that they were not able to stop them from practicing it. They were inspired by their firm faith in Allah in every situation and things always turned best in favor of Muslims.

the effect of the ming leaders banning ships with more than two masts was that there was no further construction of ships masts, because there was a surplus. ming emperors disallowed foreign exploration

answer: the time zones used to be whatever the local authority wanted them to be. one town might have 6am whenever the sun came up and another town had 6am 10 minutes later.  

the trains had a hard time when their orders said to be at a certain point at 6am.  

6am, but who's 6am.  

the railroads got together and set the time zones more or less along the longitude lines across the country.

explanation: