Samuel morse spark a revolution in communications. mark the statement if it describes one of morse's contributions. a. he developed the semaphore system, thereby revolutionizing communications. b. he invented the electric telegraph that transmitted information instantaneously. c. he devised a code of dots and dashes for sending messages over the wire. d. the first telegraph line ran from philadelphia, pennsylvania, to new york city. e. telegraph wires spread across the continent by following railroad tracks west.

What was the difference between bombing military targets in the united kingdom, and bombing the city of london? a. bombing a city kills lots of innocent civilians, bombing a military target doesn't b. bombing military targets didn't force the u.k. to surrender, but bombing london did c. military targets were bombed by japan, while london was bombed by the nazis d. london was bombed before the u.s. entered the war; military targets were bombed afterward

Where did khomeini seize power in 1979?

Which is one reason many african nations have not prospered after gaining independence from european colonial powers? a. colonial powers sent their weakest economic advisors to the new countries, and their recommendations were flawed. b. independence left them with weak economies, and many countries have been unable to overcome or recover from these burdens. c. the desert region of the interior is inhospitable to foreign investors, and business interests focused on the coastal mediterranean cities. d. the money endowed upon independence is still tied up in the bank of england, which is hesitant to make loans to struggling nations.