That would be a no. Families were usually split up in these cases. You can find many stories of this if you look around
Most people converted to Islam because it was a very tolerant religion and it appealed to many. However, since the question is asking what "burden" was an influence, the only one I can think of would have to be the jizya. The jizya was a special tax that non-Muslims had to pay to live under Muslim protection in Muslim lands; if they convert to Islam they wouldn't have to pay it.
Answer:
Trade was a primary factor in the rise and development of the West African kingdoms of Ghana, Mali, and Songhai. In particular, these kingdoms grew wealthy, powerful, and influential because they were able to collect taxes from traders who crossed their territories.
Answer: I say it's because all of the citizens rule the civilization not allowing any person to overthrow one making it difficult for them to overthrow many.
