Answer: Eli Whitney Eli Whitley's invention of the cotton gin was one of the key inventions of the Industrial Revolution and helped shape the economy of the United States.
Answer: Franklin D. Roosevelt Franklin D. Roosevelt was president from March 4, 1933 to April 12, 1945. He served as president for four terms, two terms more than any other president.
Answer: The Great Pyramid of Giza The Great Pyramid of Giza is the oldest and largest of the three pyramids in the Giza pyramid complex. Historical analysis tells us that the Egyptians built the Giza Pyramids between 2589 and 2504 BC.
Answer: Blue St. Patrick's blue is a lighter shade and can still be seen on ancient Irish flags and was used on armbands and flags by members of the Irish Army.
