How did theodore roosevelt changed the government's role in the food industry?

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 effect did ww11 have on empires that had been created by european nations

Nationalsim led to major conflicts following world war1 especially when