explain the reasoning behind a country that had a Youthful “shape” pyramid but 15 years later when the data was collected it had a Mature “shape” pyramid

yes                                            

explanation:

just cause                            

earlier philosophers whose work influenced the enlightenment included bacon, descartes, locke, and spinoza. the major figures of the enlightenment included beccaria, diderot, hume, kant, montesquieu, rousseau, adam smith, and voltaire. it spread the ideas of the enlightenment across europe and beyond.

can you explain it better