When World War II was over it came to light that the military had rejected over half of the men who were drafted or had given them lighter duties, because they were not fit enough for combat. The United States began to realize it needed to focus more on fitness. A researcher by the name of Thomas K. Cureton began to study exercise and fitness. He conducted many experiments and was able to establish a set of guidelines for maintaining fitness.
Answer:
The Ancient Greeks didn't have the technology at the time to send messages so they developed different ways to communicate to people at long distances. During a war, Ancient Greek armies developed a tool called the Stentorophic Horn. Ancient Greeks also used light signals to send urgent messages to armies.
Answer:
The Middle Kingdom was a time of achievements for the ancient Egyptians. <em>Art took on new styles and techniques, like the block style</em>, where art was produced from large blocks of stone. Irrigation projects at the Faiyum, a large oasis on the west bank of the Nile in Lower Egypt, increased harvests.
some change was made during the Middle Kingdom was the sea-faring expeditions. These sea-faring expeditions required thousands of men and careful planning to avoid disruption with Kerma. Irrigation was another important project that took place during the late 12th dynasty
global warming
destruction of ozone layer
environment degradation
