Which words from the text suggest the importance of the Pony Express?

Highest development, supreme achievement
Brief existence, great national crisis
Imperative necessity, operated continuously
Physical endurance, physical sacrifice

Question

Which words from the text suggest the importance of the Pony Express?

Highest development, supreme achievement
Brief existence, great national crisis
Imperative necessity, operated continuously
Physical endurance, physical sacrifice

whitemonsterbunny17 · Answer

It's the third choice. (:

anonymous · Answer

Thank you again, I really appreciate your help! If I find anything else I need help with I'll let you know! @Whitemonsterbunny17

whitemonsterbunny17 · Answer

You're welcome!! I'm glad to help. (: and haha okeh. o^.^o

whitemonsterbunny17 · Answer

Oh, and don't forget to close the question. (:

anonymous · Answer

its not the 3rd choice, I chose it and it was wrong.