PLS HELP WILL GIVE BRAINIEST

In relation to the september 11th attacks, the term ground zero refers to new york city. the pentagon. the shanksville, pennsylvania, memorial. the site of the world trade center.r

Historians sometimes rely on video recordings in researching past events because

Hich answer supports the statement, "the state constitution is more detailed than the u.s. constitution"? a) the u.s. constitution was created after state constitutions had been established. b) the u.s. constitution only exists because the state constitutions allowed it to be created. c) the articles in the state constitution do not deal with amendments like the u.s. constitution does. d) the articles in the state constitution deal with more specific issues than does the u.s. constitution.