While it was true that western lands were somewhat more fertile than the now-depleted lands of the East, many of the pioneers were attracted to the frontier in order to speculate in land, i.e. to purchase large quantities of cheap government land and to sell it at a profit to later comers
Andrew Johnson was the 17th POTUS
The correct answer is Jehovah's witness<span />
Buddhism and Taoism would be your answers.
<span>Both religions were persecuted at first, but became official religions later</span>