All of these are important to playing a role in this world. Each one of these answers are crucial skills in life.
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It would be "East and West" Germany that <span>began a process of unification during this time, since this was when the Cold War was coming to a close between the US and the USSR. </span>
This process is natural selection<span>. The traits that confer an advantage to those individuals who leave more offspring are called </span>adaptations<span>. In order for </span>natural selection<span> to operate on a trait, the trait must possess heritable variation and must confer an advantage in the competition for resources.</span>