What was the theme of the study of world history since world war 1?

Explore the worldwide implications of the war in Origins, outbreak and conclusions; the logistics of military organisation in The war machine; and the realities of warfare in Life of a soldier and in Race, empire and colonial troops. Consider the roles of non-combatants in Civilians, the power of persuasion in Propaganda, creative responses to the war in Representation and memory; and the changing nature of our perceptions of war in Historical debates.

the answer is states.

a yes vote means: the legislature, with a two-thirds vote, could change daylight saving time if the change is allowed by the federal government. absent any legislative change, california would maintain its current daylight saving time period