Yes because of the long voyage their were a lot of complications such as a lot of sickness which resulted in people dying, and also because of the lack of food.
Theocracy? maybe. or clergy.
The answer to this question is that the slaves that were sold at Montenegro came from three african states located in west Africa. these countries found in the west coast of Africa along the Atlantic ocean are Nigeria,Ghana, and ivory coast which by then were important trade routes of the famous Sudan empires.
I would have to say, it was the beginning of a new era in naval warfare, not 100% positive though
