In a alternate history where humanity is fighting a never ending war against an ancient advance race called the Zothue grotesque alien like race willing to convert humanity into mindless beast in the year 1934 where humanity kept fighting and resisted as now century past now it's the year 201X of humanity and the beast had a century year war where countless lost their lives as new bloods came to fight.

Lore
In a timeline where the First World War waged on as President Woodrow Wilson was assassinated in 1916 as senator Ronald Doe became president of the United States as he kept America into isolation as warring countries kept fighting against one another as it last till 1919 where the European countries stop fighting knowing the blood bath spilled so they agree to make all European countries into one country of the EA (European Alliance).

In 1920 came the Asia civil war broke out as Asian countries fight for who could rule all of Asia all the countries want to prove dominance as it was a bloody one soon they created the Empire of Asia.

Spanish countries became a single unified country that is know for its chemical weaponry and Milita power

Soon Africa become the warriors who is known to ride armored beast of war for battle against threats

All countries was had a quake that open a gateway to new technological advances

(America is known for its Aerial technology which has progress over everything)

(Generation phone that use communication and entertainment etc )

All was well until 1931 an alien like species attacked the earth and plan to take over and convert humanity into their species as countries band together and fight the threat

(Battle of New York 1942 as cannon fight against the UFOs in the sky early on in the war)

Now Humanity use young blood to fight against the threat and to end it once and for all.