continuation
US /kənˌtɪn.juˈeɪ.ʃən/
UK /kənˌtɪn.juˈeɪ.ʃən/

1.
the action of carrying something on over time or the state of being carried on
:
•
The project is a continuation of our previous research.
•
We hope for the continuation of peace in the region.
2.
a part added to something to make it longer or to complete it
:
•
The new wing is a continuation of the original building.
•
This chapter is a direct continuation of the previous one.