What means did they use to counter the british taxes?

"No taxation without representation" is a slogan originating during the 1700s that summarized a primary grievance of the American colonists in the Thirteen Colonies, which was one of the major causes of the American Revolution. In short, many in those colonies believed that, as they were not directly represented in the distant British Parliament, any laws it passed affecting the colonists (such as the Sugar Act and the Stamp Act) were illegal under the Bill of Rights 1689, and were a denial of their rights as Englishmen.

im pretty sure it has something to do with the end of ww1

radioactive dating, also known as  radioisotope dating  is a process that in  estimating the approximate  age  of  rocks. these data can be analyzed from  the studies dealing with the  decay of the radioactive elements that are present in these rocks. in nature, there are a few types of materials or atoms which are quite unstable and they spontaneously decay or breakdown to form other kinds of atoms.