Because the brain s so big and in so many ways unable to explain all the phenomena that occur. And unlike physical problems, psychologicalis often impossible to have in emotion and undoubtedly impossible to observe.
It is know to have 350.9 billion US Dollars but I know for a fact there is less because Israel is broke xD
Two issues that arose in the convention of Philadelphia were due to slavery, and whether or not slaves should be considered a part of the total population. The three fifths compromise counted them as 3/5 of a person for the purposes of determining a state's level of taxation and representation.
