The bill of rights is an important addition to the constitution because it?

the war powers resolution (also known as the war powers resolution of 1973 or the war powers act) (50 u.s.c. 1541–1548) is a federal law intended to check the president's power to commit the united states to an armed conflict without the consent of the u.s. congress.

explanation:

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".