In relation to the september 11th attacks, the term ground zero refers to

Which 19th century technological advancement would best allow farmers along the mississippi river in iowa to quickly transport their crops to buyers in louisiana?

Which of these was one of the most important aspects of washington's presidency a. he did not consider how his actions would affect later presidents b. he came to believe that political parties would be good for the country. c. he insisted that congress make specific rules about the duties of the president d. he did not take advantage of the opportunity to keep the power the country offered him.

If a question is possible to study, that means it is a) focused. b) relevant. c) feasible. d) factual.