<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>
Finally, and most controversially, a Fugitive Slave<span> Law</span>was<span> passed, requiring northerners to return runaway</span>slaves<span> to their owners under penalty of law. The</span>Compromise of 1850<span> overturned the Missouri</span>Compromise<span> and left the overall issue of </span>slavery unsettled<span>.</span>
Answer:
it says Republican revolution