Answer:
immigration causes
- war , many flee from their country because they are having to live under harsh conditions
- lack of food and water , many don't have the basic standards to survive ,lack of food and clean water can lead to illnesses and widespread diseases
- human rights, many don't have the choice or freedom to work ect. an example is north korea where the human rights is a huge problem.
- jobs and education, things that improve quality of life - for example someone may not afford education so decide to go to a country where education is free, or flee to somewhere where there are many job opportunites.