A pull factor best describes things that attracts people to a country, a religion ,an organization, a region e.t.c Native Americans who were the people who discovered and lived in the America very many years ago. They were promised new lands in the west where they would be protected from land-hungry homesteaders which in migration is considered as a pull factor in migration .Migration is a global phenomenon which is caused by economic and social political, cultural, environmental, health, education and transportation factors. Pull factors in migration are the positive aspects that attract immigrants .They include better education and job prospects,political stability and religious freedom.
"Pull factor in migration" is the one example among the following choices given in the question that has been described. The correct option among all the options that are given in the question is the first option or option "A". I hope that this is the answer that has actually come to your desired help.
Luther's ideas about interpreting the Bible differ from Catholic ideas because he thought that everyone should be able to read and interpret the Bible. This belief went against the teachings of the Catholic Church, in which only clergy could interpret the Bible.