I want to know the answer to the following question:
The Expansion of Germany  by the Catholic Church into the areas of the Slavs and balts is know as what?
All the background I'm provided with is that "After Christianization, the Roman Catholic Church and local rulers led German expansion and settlement in areas inhabited by Slavs and Balts, known as Ostsiedlung.". Is that enough to answer the question?
Answer: yes