Push factors are factors or causes with which people tend to be pushed away or repelled from certain locations; while pull factors are those conditions that attract people to a particular location.
Push and pull factors are sometimes used to migration
Religious persecution is the systematic mistreatment of an individual or group of individuals as a response to their religious beliefs or affiliations or lack thereof.
Religious persecution occurs the most in Middle East
The Legacy of the Great Famine follows a period of Irish history between 1845 and 1852 during which time the population of Ireland was reduced by 20 to 25 percent