Which president first instituted a civil service board to oversee federal hiring and personnel management practices?

maybe President Ulysses S. Grant

the two things that develop a strong social foundation are: a. separation of church and states e. education received attention separation of church and states separate the illogical  argument that came from religious beliefs to a fact based belief. while education will make us remember the past to avoid the repeat of our mistakes.

which statement explains one of the reasons world war 1 was so much more destructive than earlier conflicts