Answer:
To prepare for a trip, camels would be fattened up for the journey across the desert. Caravans moved at about three miles per hour and it took them 40 days to cross the Sahara Desert. Muslim traders spread Islam throughout Western Africa. Islamic law helped to lower crime rates and also spread the common language of Arabic, thus encouraging trade.
Explanation:
I assume you're asking how much money it costs the government. It costs them around 215 billion dollars each year. This money is spent on correctional facilities. It is also spent on paying employees. It is spent on a vast majority of other things as well.
Dispersion studies the pattern of distribution of organisms in a population. The organism is a population can be distributed in a uniform, clumped or random pattern.