How did the ancient egyptians apply their knowledge of astronomy A. They built the pyramids B. They developed a calendar C. They wrote medical text books D. They created a process for embalming.

B. they developed a calendar

Explanation:

they needed a way to keep track of time so they know what happened and when they could plan for things in the future, such as harvesting.

these the citzens and goverment come to terms some of the amendments gave the states more power then the goverment and some protocted americans rights