Question

George Washington set some key precedents (sets a basis for similar situations) for future presidents including

Answer 1

George Washington set some key precedents (sets a basis for similar situations) for future presidents including forming a cabinet , title of Mr. President and retiring after two terms, establishing constitutional (presidential) authority to enforce laws . So that, all of the above are correct.

George Washington was an American political leader, military general, statesman, and Founding Father who also served as the first president of the United States from 1789 to 1797.

Answer 2

The answer is D: All of the above are correct.

George Washington formed a cabinet, made the title of Mr. President and retiring after two terms, and established constitutional (presidential) authority to enforce laws. 

Hope that helps!
-Chris