Samuel Morse was knowed by B. Inventing the telegraph
The twelfth amendment to the constitution was added in 1804 in response to the 1800 presidential election. This amendment was meant to break a tie in the presidential election as was witnessed when Thomas Jefferson, a presidential candidate received the same number of electoral votes as Aaron Burr, the vice presidential candidate.
Kievan Russia grew from the trade cities founded by Swedish Varangians. Kiev became the dominant city under Vladimir I, whose conversion to Orthodox Christianity and marriage to a Byzantine princess oriented Kiev toward Byzantium. Kiev thus became a bulwark against the spread of Latin Christianity.
Answer:
D. Lower birthrate
Explanation:
The graph shows more old people than young people which is most easily explained by lower birth rates.
This might be confusing because of the Black plague but that was only between 1346-1353
hope this helps :)
