President Biden Blames Trump Admin. For Border Facility Crowding

President Biden attributes the migrant surge at the southern border to the previous Trump administration's policies, while his administration works to improve conditions in migrants' home countries. He denies that his policy rollbacks have led to an increase in unaccompanied minors, countering Republican claims that these changes encouraged migration.

What message do Republicans claim was sent to migrants due to the rollback of Trump administration policies?

What does President Biden say about the treatment of migrants compared to previous administrations?