Which technological advances made World War I different from past wars? Select four answers. aircraft poison gas computers submarines radar machine guns

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".

the deaths of over a million communist soldiers

post-traumatic stress disorder in veterans

6 units. ab and lo are congruent sides, and if ab= 6 units, then lo would be the same.

the titanic was filmed in canada and si my fav