Who invented the piston-driven steam engines that powered all kinds of machines in the Industrial Revolution?

What caused the united states to side with britain during world war i?

Which statement best describes the precedent set by the supreme court in new york times v. united states regarding government censorship? government censorship is fine if there is a good reason. government censorship is almost always unconstitutional. government censorship must further national interests. government censorship does not apply to opinions.

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