The Egyptians may have required writing from the Sumer
Answer:
The first evidence of helium was obtained on August 18, 1868 by french astronomer jules janssen.
Explanation:
For some time helium was believed to exist only in the sun. However in 1882, Italian physicist Luigi Palmieri detected helium on earth when analyzing lava from mount vesuvius after it erupted in that year.
Containment ship was the preventing to spread communism and brinkmanship was a foreign policy strategy and nuclear diplomacy
