Answer:
The Cultural Revolution was a horrible time. Mao Zedong used it as an excuse to purge the nation of intellectuals and people of high standing. The Red Guards were students he mobilized to carry out this revolution of terror.
Explanation:
Answer:
The value of pi helped them calculate the circumference of Earth. The value of pi helped them explain that Earth is a rotating sphere.
Explanation:
good luck
June 28, 1856
you can google this, saves u time