Explanation

Box 1: No
BP1 is in draft mode.
When a blueprint is first created, it's considered to be in Draft mode. When it's ready to be assigned, it needs to be Published.
Box 2: No
The BP1 artifacts include one Policy assignment and a Resource group, but no Role assignments.
Note: Blueprints are a declarative way to orchestrate the deployment of various resource templates and other artifacts such as:
Role Assignments
Policy Assignments
Azure Resource Manager templates (ARM templates)
Resource Groups
Box 3: Yes
Yes, the BP1 artifacts include a Resource group.
Reference:
https://docs.microsoft.com/en-us/azure/governance/blueprints/overview