It’s that anyone can make a difference no matter how big or small,race,religion,sex.
Answer: B
Explanation: They can help prevent using land that is bad to use if the land is eroding. They can also help for a better lot arrangement. For example; if you were to build a neighborhood, you would want it to be quiet and not be disturbed by its surroundings right? That's what zoning laws can also help with. B is the most accurate and descriptive correct answer.
-exchange led to the creation of larger, more powerful states
-the spread of Buddhism and Islam
-spread of epidemic diseases beyond local regions, with sometimes devastating effects
-spread of plants, animals, technological
-It altered consumption patterns
-encouraged specialization and diminished the economic self-sufficiency of local societies
-means of social mobility, traders often becoming a distinct social group
-Gab between rich and poor grew
-New civilizations developed along roads, places for merchant to stop