latent heat of fusion
take some water at beaker at normal temperature and ice touch both you will see that ice is more effective than water this is because water contain latent heat of fusion
latent heat of vaporization
take take some warm water and then go near the steam and touch and touch both you will see that steam cause severe burn because steam contain more latent heat of vaporization than water at hundred degree Celsius
what do you mean..xd
economic disparity, social norms, political participation are the sorce of constraints.