Answer: Until this century, relative dating was the only technique for identifying the age of a truly ancient object. By examining the object's relation to layers of deposits in the area, and by comparing the object to others found at the site, archaeologists can estimate when the object arrived at the site. Hope this helps!
The first two-party system consisted of the Federalist Party, which supported the ratification of the Constitution, and the Democratic-Republican Party or the Anti-Administration party (Anti-Federalists), which opposed the powerful central government that the Constitution established when it took effect in 1789.
Improvements in maritime technology as well as innovative understanding of monsoon winds roused exchanges alongside maritime directions from africa and asia. The example of two maritime technologies are lateen sail and dhow ships. In addition to world history, the numerous kinds of exchanges that took place between 600 BCE and 600 CE are trade goods, individuals, technology, religious and cultural principles, food crops, house-trained animals and disease pathogens.