Video: Economic Systems: Definition, Types & Examples. In this lesson, you'll learn about the three major forms of economic systems, including planned, market, and mixed market economies. You'll also explore the five factors of production and what roles they play in the exchange of products or services. Economic Systems: Definition, Types & Examples.
Abraham Lincoln was our tallest president. At 6-foot-4, he would stand out even today, and he certainly towered over the men and women of his era.
Lincoln Memorial Design Changes. Originally President Lincoln was to share his memorial space with sculptures of six mounted riders and 31 pedestrians. Instead of the current 19-foot-tall statue, Lincoln was to top out at 12 feet. The first design was created shortly after the proposal for the monument in 1867.