If i understand correctly it’s “ C “
Liberation of Nazi extermination camps by Allied soldiers
Explanation:
There were four main causes of World War I. Militarism, alliances, imperialism and nationalism.<span> The first world war was a result of these four causes, but it was triggered by the assassination of the Austrian archduke Franz Ferdinand and his wife</span>
One of the main ways in which machines changed workers’ lives was that "<span>They divided labor into many small tasks," since this brought about a "specialization in labor," which caused production to be more efficient. </span>
