Which of the following best illustrates the concept of limited government?

In political philosophy, limited government is the concept of a government limited in power. It is a key concept in the history of liberalism.

letter d is correct.

in 1897, pershing became a tactical officer at west point, and that's where he was given the nickname "black jack." pershing's first name is "john," for which "jack" is a nickname, and he was a white man who commanded black troops. hence "black jack".