Answer: Sir George Airy
Explanation: The prime meridian is a geographical reference line that passes through the Royal Observatory, Greenwich, in London, England. It was first established by Sir George Airy in 1851, and by 1884, over two-thirds of all ships and tonnage used it as the reference meridian on their charts and maps.
Answer:
Explanation:
The First Red Scare's immediate cause was the increase in subversive actions of foreign and leftist elements in the United States, especially militant followers of Luigi Galleani, and in the attempts of the U.S. government to quell protest and gain favorable public views of America's entering World War I.
The correct answer is deadly governmental "purging".
Examples for this are: Holocaust - the systematic extermination of Jews and Roma in Germany and the territories occupied by them, and the killings of Jews in other places, such as the Soviet Union.(less known, but also happened)
