Literary assistance post No. 3

Dear audience SG.Ru, for the third time I turn here for the idea.
I write a book, and I need to develop the moment, and the reason for the strong commotion in the galaxy, where 3 races are dominated, in t.h. And people. The commotion should be concrete, like a galactic war, plague, invasion … But this is not the same, for it is a terrible button accordion. Everyone remembers the reapers, a gloomy voice in the UK and the war of races in the same SK ..

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But you know, there is such a motive, for example, you have 3 races, I will designate them 1, 2, 3 ..
To begin, for example, that Rassa 1 decided to capture and destroy 2, but suddenly 2 of the races unexpectedly, with the loss of control, will fly out a rocket of 3 reason, which destroyed 6 thousand creatures of races 3, then in 3 and 2 races all the contracts cease to operate, and 3 of the rosa declares the war 2 dishes, but since 3 russes are the largest and its largest develops, 2 ruses asks for 1 gear (for which it is for which it is for which it is for which it is attacked), then they conclude a peace treaty and 1 and 2 of the rass begin to fight against 3 and t.D.
Then you can describe the battle of the rose, tell how the captains commanded what happened to the crew, with the bings ..

Plague hostile to everyone, this is normal if https://nongamstopsites.uk/ you make them interesting. There, Pierce Anthony had a “chills”.

If these races traded among themselves, then a large increase in taxes could lead to discontent ..
Although, this is your “universe”. I don’t know anything about her.

There are a bunch of other button accordions:
-Contact (not necessarily military) with another (old or new) civilization \ creature \ Detection of their heritage.
-New “Superotrquitius” technology, material etc.
-Crisis in view of the deficiency \ excess resources.
-Terrorists.
-The emergence of an individual personality (personality group) of too actively successful in any area / regions.
-The struggle for the independence of a separate group.
-A serious accident of an important object.
Thousands of them!

The economy is only for people, 2 – race – intelligent machines (not AI), but 3rd absolute communism, completely inhuman psychology

Disaster coming from the nucleus of the galaxy (something like a nuclear explosion), spreading a little slower than the speed of light and can destroy most of the galaxy, to areas where there is too much distance between stars/planets/clusters/things, it will not allow the reaction to continue.
The earth, by the way, is a priori in one of these sparse areas ..
The surprise of the disaster + incomprehensibility of the cause (sabotage, crazy experiment, natural cataclysm) + desire for races living closer to the center of the galaxy, survive = panic of galactic scale => refugees, conflicts for safe territories, etc. xp.

No, well, but cho? A normal option for intergalactic orcs and similar. )
This also includes:
– Chota has become too much. Havchika \ batteries \ women \ fir cones not enough for everyone. You need to do something ..
– So this one, maybe the war?
– Well, norms cho.