Which is a typical characteristic of a developing nation?

Low per capita income .

Explanation:

Low per capita income is a primary characteristic of a growing nation. It is reflected in the fact that most of the population spends all the money they earn.

In growing economies, low per capita income is common. People don't happen to earn extra money and they end up spending all the money they earn which leads to little to no chances of investment and savings.

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".