Powell Motors, an engine manufacturer, forms a team that is led by Jacob to design and develop a new jet engine. Jacob, after setting the objectives and benchmarks, assigns clearly-defined tasks to his teammates to achieve the desired goal. In the context of the role of a leader in the team concept, it is evident that Jacob facilitates the work of the team to accomplish ________.

A) infrastructure
B) accountability
C) learning
D) partnering

Jacob's actions of setting objectives, benchmarks, and assigning clearly-defined tasks to his teammates are aimed at ensuring that each team member knows their responsibilities. This approach facilitates accountability within the team, as each member is aware of their specific duties and the expectations placed upon them. Accountability is crucial in a team setting as it ensures that all members are committed to the team's objectives and are responsible for their individual contributions towards achieving the desired goal.