What invention caused the Pony Express to be discontinued?

More Questions:

What is the American term for the rope maneuver called "abseiling" in Europe?

What was the sequel to "Little Women"?

Athos, Porthos and Aramis were collectively known as whom?

What name is usually given to Quasimodo who features in a French novel first published in 1831?

What river was dammed to create Lake Champlain?

What is the capitol of Chechnya?

What is the Napa Valley best known for?

A Calorie is a measurement of what?

What is the name of the point at which condensation begins?

The song "I'll Be Missing You" is a tribute to who?

What 1993 film's title character has the first name Euphegenia?

In what city was the first US mint opened?

In which decade did the construction of the Trans-Siberian Railroad commence?

What athlete was born in West Baden, Indiana, in December 1956?

What was the name given to the French goverment which collaborated with the Nazis?