Which of the following was the unions main strategy during the civil war?

The Union strategy to win the war did not emerge all at once. This strategy, known as the Anaconda Plan, would eliminate the possibility of Confederate help from abroad.

Explanation:

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.