Families could carry only those possessions that would fit in a prairie schooner, or covered wagon. Toys, furniture, books, extra linens and clothing—even family heirlooms—were sold to raise money for the trip.
Read the dictionary entry below.
raise \ı ra¯z\ v 1. to move something higher 2. to rear a child 3. to collect 4. to improve
Which definition matches the meaning of raise in the paragraph?