If I understood your question correctly, then the answer is "it depends". Sometimes, individuals have a large impact on starting a war (think World War I where one individual caused the war to start), other times groups of people have also important roles in starting a war (think World War II).
<em>Answer:</em>
<em>The distribution of a sample mean tends to be skewed to the right or left. </em><em> </em>
<em>Explanation:</em>
<em>The sampling distribution</em><em> is described as one of the probability distribution related to a statistic discovered via an entirely large number of various samples that are being drawn from a particular population. However, the "sampling distribution" of a particular population refers to the distribution of distinct frequencies related to a range of various outcomes that can occur towards the statistics of a given population. </em>
Hitler carried many views, but some more prominent ones were that (1) Jews were responsible for Germany's poor economical condition (2) Communism (or Marxism) was to be fought against (3) Germany was treated unfairly after WW1