Wich came first? a radiob elevatorc telephone

I believe it was the Radio

B. the elevator because the radio was invented in 1895, the elevator was invented in 1853, and the telephone was invented in 1876. 

Ifound this on google”the munich conference of 1938 was prompted by d. hitler's intention to take control of part of czechoslovakia. hitler sought to unite german-speaking people in a single nation and thus turned his sights on the sudetenland, a german-speaking region of czechoslovakia.” i hope it you

Interpreting the results of his experiment : )