How do forces of supply and demand balance each other over time?

What type of speech was president reagan giving at brandenburg gate in west berlin

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

How was the declaration of the rights of man similar to and different from the declaration of independence