Beneath the surface of the ground.
MAY BE
Answer: The term "function" was introduced by Gottfried Wilhelm Leibniz (1646-1716) almost fifty years after the publication of Geometry. The idea of a function was further formalized by Leonhard Euler (pronounced "oiler" 1707-1783) who introduced the notation for a function, y = f(x).
Answer:
the passage of the Sixteenth Amendment
Explanation:
Four
It was compiled by Justinian, Emperor of Byzantine in the 6th century. It was a collection of laws made by the best legal experts at the time.
Rough Riders
The Rough Riders were the troops under Theodore Roosevelt's command.
The Rough Riders were a volunteer cavalry unit. The unit was made of athletes and cowboys as well as general adventurers. Theodore Roosevelt was put in charge of this group of untrained men who were willing to fight. They were most used in the Spanish American War to take the island of Cuba. The men were recruited from the Southwest and because they were athletic and training in shooting and riding a horse they were useful in the war with little investment from the government.
