Final answer:
A geographer could research how people in different areas reacted to the results of a presidential election using the DOLLY Project.
Step-by-step explanation:
A geographer could research how people in different areas reacted to the results of a presidential election using the DOLLY Project. By analyzing the geotagged tweets and their associated sentiments, the geographer could gain insights into how people in different locations expressed their opinions and emotions about the election. They could identify any regional variations in sentiment and analyze the factors that may have influenced these differences, such as demographics or political history.