Im sorry but is this question complete
Answer:
The Aztec Empire was a large empire in Central America? When the Empire was largest, it spread across most of Mesoamerica. During that time, the Aztecs built one of the world's most advanced societies.
Explanation:
New scientific knowledge help the building of the Panama canal because there was a decrease of workers getting sick of malaria and yellow fever. It was Colonel Gorgas, the Chief Medical Officer, who have read about discoveries linking mosquitoes and malaria. Due to these readings, he succeed in eradicating the cause of the disease therefore a decrease in people getting sick.
The different types of rock music have been popularised by the American film and music industry during the 1980's to a point that it spread out throughout the world. The trend was attracted internationally because of the high American standards of music incorporating the most advanced technologies.
