Identify whether each case is an example of a push factor or a pull factor that encourages migration.✔ pushX pullMany immigrants came to America from Ireland to escape a famine.push✔ pullMany Chinese immigrants came to America to work in new jobs, like building the Transcontinental Railroad.✔ pushpullMany Russian Jews migrated to America to escape harsh mistreatment.push✔ pullMany Scandinavians were encouraged to migrate by the land that the Homestead Act of 1862 made available.