How can archeologists determine the age of a historical object?

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!

tea which is where the whole thing about dumping it in the ocean came from

it reintroduced the two-party system.