What are two considerations?

A nonprofit organization has a large volume of contacts, organizations, and address records. The organization wants to migrate all of its data into its NPSP org.

What are two considerations? Choose 2 answers
A . Address verification only works with the one-to-one and individual ("Bucket") Account models.
B . Tracking addresses with the Address object may introduce more complexity.
C . Migrating all historical address information impacts system data storage.
D . There is a limit of three addresses per contact or organization that can be migrated into NPS

Answer: B,C