Answer:develop close ties to an ethnic community
Explanation:
What is an ethnic community ?
An ethnic community is a group of people who share the same nationality, langauge and race .
Possible reasons why they would do this is for moral support and to ensure that they help each other on the education of their children.
Those who are new arrivals will need to know how the children of the other immigrants made it when they first came into the foreign land .
They can then introduce their children to each other and their children can assist the one who has just arrived to the foreign country copy with their school work (because they may face issues with the langauge barrier) and continue to do well.