It allows government officials to retain and hold foreign nationals were considered threats to national security.
Answer: The black plague killed hundreds of thousands very quickly with no cure
Explanation:
Push factors include war, famine, descrimination ect. in the native country of the migrant eg Irish people were pushed to emigrate to america and england during the Great Hunger (1845-1849)
pull factors include the promise of good job opportunities in america, hot climate, ect
Answer:
horrible they had to kill and hide and at times they were scared
Explanation:
