Why did european monarchs declare was on french revolution

What motivated germany to make an alliance with austria-hungary?   a.  fear of aggression from the united states      b.  fear of aggression from france      c.  the desire to invade russia      d.  fear of aggression from england

What were some of the most important native items adopted by europeans ? what impact did they have on european life ?

Brainliesttt !me : ) why were the eastern european countries attempting to break free of the soviet union?