You've provided three achievements:
1 Equality of male and female
2 House of Wisdom
3 Irrigation techniques
These are 3 of the most important achievements of the Islamic Kingdoms and you've explained them briefly. If the instructions were to explain each achievements concisely, your work would be enough.
is there a few questions u need help with? i can probably help you with it!
They could own land, initiate divorce, own and operate their own business, become priests, seers, dentists, and doctors and theyre not allowed to hold scribes or obtain government jobs
The answer is D. Since workers could focus on one specific task, they could focus on doing that task to the best of their ability. This allows them to do that as efficiently as possible, which speeds up the process of production.