becuse they do so deal with it
Because some have to solve bigger problems than others do.
more presidents attended which college more than any other?
July 4th
Early in American history, it was because some states, such a Virginia, had been at state longer than the rest. Hence, more presidents call Virginia there birth state than any other state.
You will have to say which country you are asking about. Different countries have different constitutions and legal structures. Some Presidents have more power than others.
They use anybody who they think possibly help them and is willing. Wives always seem to fit this requirement, although some are more willing and able than others. Ex-presidents are a tougher call. Some were popular and some were much less so.
Yes some elliptical orbits are more circular than others
Some fruits DO have more DNA than others. This is because of the mass and the juice of the fruit.
Some people need more sleep than others because of their age and what they do.
Are there some situations in which such regulations would be more appropriate than others?
Because you study Abraham Lincoln more than you do the other presidents. You also study his number more than others. It is like remembering what number George Washington's number is.
Most, if not all US presidents worked diligently to shape America. Some had more opportunities to change things than did others. All of the more outstanding Presidents surely shaped America.