It was important in the development of astronomy and science because it was the first model that aimed to predict how the planets move in their orbits. Despite being a complicated mix of circles and epicycles it was not a bad model and it worked well for at least 1500 years until observations became accurate enough to show its imperfections
The government introduced laws protecting worker’s safety
The national government had no national military.
hope this helps!
Put a picture of the article so i can help :). i cant know what this article is about with just the question.
The correct answer for the question that is being presented above is this one: "<span>Yangtze River." C</span>ambodia, Vietnam, and Laos all share a major river that empties into the South China Sea. It was also the site of many battles during the Vietnam War. The river is called <span>Yangtze.</span>
