Answer:
Great Britain was taxing the citizens for not a very good reason
The enslavement of african American taken from Africa
It led to Minneapolis and Cleveland becoming industrial centers.
Stem cells are a class of undifferentiated cells that are able to differentiate into special cell types.
They are important because they represent an area in medicine, because they have the potential to regenerate and repair damaged tissue.
Not all stem cells come from embryos but also bone marrow, your teeth and other places.