Colosseum (Flavian Amphitheater, or Amphitheatrum Flavium), c. 70-80 C.E., Rome, an ARCHES video. Speakers: Dr. Bernard Frischer and Dr. Steven Zucker. Created by Steven Zucker and Smarthistory.
The Colossus of Constantine, c. 312-15 (Palazzo dei Conservatori, Musei Capitolini, Rome). A conversation between Dr. Beth Harris and Dr. Steven Zucker in front of the Colossus of Constantine. Created by Beth Harris and Steven Zucker.
Columbus's voyage connected the Americas, Europe, and Africa in a web of exchange that transformed the environments of the Old World and the New World.
Column of Trajan, completed 113 C.E., Luna marble, Rome Dedicated to Emperor Trajan (Marcus Ulpius Nerva Traianus b. 53 , d. 117 C.E.) in honor of his victory over Dacia (now Romania) 101-02 and 105-06 C.E. Dedicated to Emperor Trajan (Marcus Ulpius Nerva Traianus b. 53 , d. 117 C.E.) in honor of his victory over Dacia (now Romania) 101-02 and 105-06 C.E. Speakers: Dr. Beth Harris and Dr. Steven Zucker. Created by Beth Harris and Steven Zucker.
Combining CSS class and element selectors.
How to combine multiple joins
An introduction to the difference between command economies and market economies.
Commas separate adjectives when those adjectives belong to the same category: determiner, opinion, size, age, shape, color, origin and material. So two adjectives that are both opinions (a mushy, sticky apple) should have a comma between them, but two adjectives that are an opinion and color (a mushy green apple) should not.
In English, you use commas to separate introductory elements from the rest of a sentence. Find out how with David and Paige!
Today we’re going to talk about using commas in dialogue,' said David and Paige, KA’s resident grammarians.
Learn how to use commas when writing addresses (in space) and dates (in time).
A brief look at how money has evolved over time from being printed on valuable substances (commodity money), to merely representing those valuable substances (commodity-backed money), to not representing anything at all (fiat money). Created by Grant Sanderson.
What's the difference between a common noun and a proper noun?
Overview of Communism and Marxist-Leninist states.
Overview of Communism and Marxist-Leninist states.
Trade benefits both agents when each specializes in what they have a comparative advantage in producing and trading with another agent who has a comparative advantage in something else. The gains from trade occur based on comparative advantage, not absolute advantage. Created by Sal Khan.
When two agents have differing opportunity costs, there is potential for both of the to benefit if they specialize in what they each have comparative advantage in. This video explores how two parties can get better outcomes by specializing in their comparative advantage and trading. Created by Sal Khan.
In this video we work through an example of a question like you might see on an AP microeconomics or AP Macroeconomics exam determining who has comparative advantage in producing a good using data from a table. Topics include how to calculate opportunity costs and determine who has comparative advantage based on opportunity cost.
A discussion with Khan Academy World History Fellow Eman Elshaikh on the comparative roles of women in Rome and Han China (with brief discussion of women in Athens as well).
In this video, Kim discusses how mutual misunderstandings between Europeans and Native Americans often defined the early years of interaction and trade as each group sought to make sense of the other.