Germany was on a constant mission to fulfil its policy of Lebensraum. As a result, it invaded several territories and eventually gained control over western Europe.

Germany was on a constant mission to fulfil its policy of Lebensraum. As a result, it invaded several territories and eventually gained control over western Europe. The German invasion of in 1939 was an example of a military strategy of swift and sudden war known as .

Explanation:

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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.