In addition to the educational requirements to become an ultrasound technician, there are also certain qualities that you should possess or acquire in order to be the most successful in you job. Candidates will need to be detail oriented and very alert when performing their job duties.
The influence of the Maya extended far from their tropical homeland. They were great TRADERS, maintaining links with states in the Valley of Oaxaca in the highlands and diplomatic relations with the vast city of Teotihuacan in the Basin of Mexico.
Mayans and Aztecs. Mayan peoples were to pay tribute to the Aztec empire many years later. But the culture of the Mayans was to influence the Aztecs in many ways. Again, we don't always know what originated with the Mayans, and what was just general culture of the area over the centuries.