Answer:
A. Spices should be your answer.
Explanation:
Many Asian countries made rich spices that the Europeans enjoyed. They would trek across the continents to get to places such as India where they would trade things for spices.
Sustainable use practices are practices that are used in the use of resources for example that seek to maintain the longevity and continuance of the potential use of that resource. In regards to trees and logging the sustainable use of wood or paper would seek to continue the longevity and vitality of the forests by not overusing these products. Sustainable use will use a resource at a rate that will allow for natural replenishment or incremental use of the resource to prevent harm to the environment and allow the resource to be used far into the future.
Hope of gaining a better standard of living
Due to the adverse conditions of poverty and unemployment in the rural areas, people migrate to urban areas. In urban areas they find increased employment opportunities and better living conditions.
more and better jobs
better hospitals and health care
better living standards
cities are social and financial centres
better education—schools and universities
occupational structure is the distribution of profession or jobs to the people in a society according to their social status, education etc.