The responses that correctly completes each sentence are:
The <u>holocaust</u> was the name that the Nazis used for the genocide of European Jews.
Adolf Hitler was the head of the SS and ordered the deaths of millions of Jews, Roma, gay people, and others during the Holocaust.
<h3>Holocaust</h3>
The actions carried out by the members of the Nazi party and the SS were so blunt and against humanity that they led to the Second World War, leading <u>Adolf Hitler</u> and his forces to the Nazi side.
On the other hand, all the massacres caused by this army, mainly against the Jews, was called the <u>holocaust</u> since it represents a stain on the history of humanity.
Germany's resumption of submarine attacks on passenger and merchant ships in 1917 became the primary motivation behind Wilson's decision to lead the United States into World War I.