Final answer:
Matt's engagement in the debate team, football team, Liberal Party of Canada, and as a hall monitor will broaden his social skills, teamwork, political awareness, and sense of responsibility.
Step-by-step explanation:
During eighth grade, Matt's participation in various activities such as the debate team, football team, the Liberal Party of Canada, and being a hall monitor will expand his social skills, teamwork abilities, political awareness, and responsibility. Being part of the debate team will enhance his public speaking skills and critical thinking. Joining the football team will improve his physical health and teach him the importance of working with others to achieve common goals. Involvement in a political party at a young age will provide him with a better understanding of political processes and civic engagement. Lastly, serving as a hall monitor will foster a sense of responsibility and leadership as he helps to maintain order and safety in his school.