True.
And this is not only true for the distant and not so distant past, it's also true for the present as well. Slaves and prostitutes still exist around the world, despite us thinking that slavery may have been abolished. This is sadly not the case; in some areas in Africa and the Middle east, slavery still exists.
Explanation:
the most complex energy system is the aerobic or oxygen energy system which provide mass of the body's ATP
Tim has used an abstract form of expression in his artwork NARRATIVE form element of artwork in being discussed here.
It shapes the political debate around abolition of drugs in general.
