Answer:
gone
Explanation:
best expresses unbelievable or disappear
Thwart: To oppose or prevent.
To thwart any outsiders from intruding, I built this wall made of broken bottles.
Buffy realized if the news of the scandal got out it would thwart her chances of becoming the president.
Answer:
The movement of people across the Atlantic: 1607
Lindbergh's first solo flight: 1923
Events of WWII: 1939-1945
The moon landing: 1969
Explanation: Hope this helps! :)