Final answer:
The creation of the Cabinet system was important because it involved advisors in the executive branch and contributed to efficient decision-making.
Step-by-step explanation:
The creation of the Cabinet system was an important precedent of George Washington's presidency because it established a tradition of involving advisors in the executive branch.
By appointing qualified individuals to serve as secretaries of various departments, such as the Secretary of State and Secretary of Treasury, Washington was able to seek their expertise and advice in making important decisions.
This helped to ensure a more efficient and informed decision-making process, making the Cabinet system an essential part of Washington's presidency.