How was the Hippodrome different from the Colosseum?

The hippodrome (Greek: ἱππόδρομος) was an ancient Greek stadium for horse racing and chariot racing. The Colosseum in Rome, Italy, is a large amphitheater that hosted events like gladiatorial games.

the american rail road was the most influential and useful transportation system developed in the 1800's with steam locomotives and in the very late 1800's and early 1900's diesel electric locomotives being used to transport goods and people around the newly expanded united states!

he risk-return relationship. generally, the higher the potential return of an investment, the higher the risk. there is no guarantee that you will actually get a higher return by accepting more risk. diversification enables you to reduce the risk of your portfolio without sacrificing potential returns.

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