Answer:
There are many changes which Muslims brought to subcontinent . Some of them are :
1. Stopping the Indian traditions such as Sati and Child marriages
2. Making a peaceful rule
3. The source of cleanliness
4. The rule of give and take respect
5. Starting the trading with British
This document should be the Articles of Confederation
The doctrine that allowed people living in the territories to decide the issue of slavery through their governmental bodies was called popular sovereignty.
A main cause of the trade was the colonies that European colonies were starting to develop. Also some African societies had long had,their own slaves and cooperated with the Europeans to sell other Africans into slavery.