Numerous liberated slaves found themselves forced to accept low-paying jobs on the lands of their previous masters. (Apex)
In my opinion, it's the Hispanics. A person with a green card is, I believe, a citizen of that country, though I apologize if that's incorrect as I haven't addressed a question of this sort lately.
Answer:
The issue of lacking a global standard calendar.
Explanation:
Countries maintain distinct calendars that align with their respective cultural and religious practices. Each nation adheres to its unique customs, often resulting in holidays that can disrupt business, markets, and trading on days when others are operating. This can confuse tourists who may be unaware of a country's public holidays, causing them to find attractions and museums closed. A unified global calendar would benefit commerce, travelers, and international trade.
The initial event is Italy invades Ethiopia
The Fall of Nanjing occurred in 1938 after enduring a four-month conflict. Similarly, in 1938, Hitler also annexed Sudetenland. The invasion of Ethiopia transpired earlier during the Second Italo-Ethiopian War that began in 1935, preceding the other two events, albeit the conflict with Ethiopia extended until 1939, four years after the invasion started.