Answer:
B They started their own busines sot serve their communty is the onlly one that makes sense.
Explanation:
The benefits were jobs, since the factories moved to cities and needed more workers the urbanization began thus creating a high demand for labor
prior to European colonization in Africa, slavery had already existed between the people there, slave owners would willingly offer their slaves to the Europeans in order to protect them selves, the europeans can argue that they did not establish slavery, rather, they continued work that seemed beneficial to them.
The limits of genomic testing are connected with tracking the possibilities of developing a certain disease. It used to be believed that genes were the most importan responsible factors for causing self-immune diseases, but now it has been prooved that the environment, bad habits and nourishing, among other factors, play a more important role in that aspect.
