Final answer:
Band-Aid introduced First Aid to Go! to cater to travelers' needs for smaller carry-on items, thereby expanding their product line.
Step-by-step explanation:
Band-Aid introduced First Aid to Go! to cater to the needs of travelers who require smaller carry-on items. This new line of products expanded the range of Band-Aid's offerings, particularly in terms of portable first aid solutions. It allowed customers to easily carry essential medical supplies, such as bandages and antiseptic ointments, while on the go.