<span>The answer is space for the solute in the solvent. Solvents effort under the over-all rule of like dissolves like. The term "like" mentions to the general schism of the solvent molecule and the general polarity of the solute. These are classified as polar, semi polar and non-polar solvents.</span>
I would say because people separated from their kind and leading to speaking different. just like how people pick up accents when they go to the UK or other foreign countries. <span />