He made an invention or experiment for some type of wave and he tested it. So that's basically why he is famous.
Answer: According to Kipling, the white man had the enormous responsibility to spread civilization throughout the world without receiving any personal benefits or rewards for their work.
Explanation:
Checks and balances. Each branch “checks” the power of the other branches to make sure that the power is balanced between them.
Explanation:
On August 24, 410, the Visigoths entered Rome through its Salarian Gate, according to some opened by treachery, according to others by want of food, and pillaged the city for three days.