Why having family ties is important to a new immigrant?
Depending on circumstances & the requirements of the country the person is moving to a relative may be able to act as a sponsor to the person to the country Moving to a new country to start a new life can be extremely difficult & stressful so family can act as a valuable support during this period, they may also be able to help with a place to stay/finding a place to stay & finding work. They’ll also be familiar with how to do practical things like apply for social security numbers, accessing healthcare, opening bank accounts, etc Some of the ordinary things we take for granted can be very difficult to do if you have no history in a country, particularly no credit history.
