Radiocarbon dating is the method of dating bone that would yield the most accurate results. This kind of dating technique is used for determining the age of any object that contains organic materials in it. This is the method that was developed by a person named Willard Libby in the late 1940s. Libby got the Nobel Prize in the year 1960 for his great work.
Answer: This might not be what you were looking for but this website gives you 4 examples and there's a video to watch.
https://nmliving.com/2016/08/21/legendary-new-mexico-technology/
The main way in which the Constitution overcame the weaknesses of the Articles of Confederation was that it made the central government much stronger by giving a great deal of power to the legislative branch, which now had power to make laws that could overcome individual state laws.
Augustus was the one that was concerned with marking the Empire's borders