There are 3 correct answers to this questions, which are A, B and C. D is incorrect.
<span>On May 24, 1844 Samuel F. B. Morse transmitted the first message on a United States experimental telegraph line (Washington to Baltimore) using the “Morse code” that became standard in the United States and Canada.</span>
B Samuel Morse because he made the "Morse Code" and he wanted to make it wireless too I assume
