He proved that baseball wasn't just a white sport, that not just African Americans, but all "colored" races could play/do what they wanted as long as they put heart into it.
The Tang Materia Medica was the first <em>pharmaceutical</em> book.
Materia Medica is the Latin term for collected knowledge about healing substances. The Tang Materia medica was written circa 659 CE and it is one of many contributions by the Tang dynasty to science. The book, published by the then ruling Chinese government, is a compilation of drugs and instructions for their use. The book has 54 volumes, divided into 3 parts:
- The Main body (20 volumes) and Table of contents (1 volume).
- Pictures of medicines (25 volumes) and Table of contents (1 volume).
- Illustrated description (7 volumes).
After it was published and distributed throughout the country by the Tang government, it became the national basis for the medical practice for more than 400 years.
The development of banking during commercial revolution in western Europe was significant because it allowed for the creation of private and public credit--meaning that much larger ventures could be started due to an increase of capital, which allowed people to take bigger risks.
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Religion was important to the ancient Greeks because they believed that it would make their lives better while they were living. They also believed the gods would take care of them when they died, and they believed in many different greek gods and godesses.
Generally speaking, a "command" economy is operated solely by a central authority, such as the officials or leaders of a society, since the central agency decides how much of every product will be produced.
