Trends in Congressional Approval Ratings

In the United States, public opinion on various political issues is often measured through surveys and polls. The following graph depicts the percentage of Americans who approve of how Congress is handling major national issues over the last five years. The data shows a significant decline in approval ratings from 2019 to 2021, followed by a slight increase from 2021 to 2023.

Using the data provided in the graph, analyze the trends in public approval of Congress and discuss the potential factors that may have influenced these fluctuations. Additionally, relate the trends in approval ratings to the key events and political dynamics that occurred during this period.