Answer:
Market economies utilize private ownership as the means of production and voluntary exchanges/contracts.
Explanation:
"Dear Momma.
Life in the infantry was hard... I'd no sleep... I gave up my stripes. Lieutenant Ackerson is meaner than a bull on a farm... By god the cold.... I'm not used to it like the white boys are. I'm only used ta' the hot Texas heat. The media usually ignores me. But they are a talkin' to the white boys like they're heroes... I don't think I'll be welcome when I come back. At least... I'm proving something for my country. That I'll be fighting. For the good of the united states."
-I hope this helps.
For Dictatorship, the second answer is incomplete, a dictator may obtain power not only through elections but by a military or institutional coup d'état, a civil war or a military intervention by a foreign power.
In a republic, power is held by those citizens that are able and government is a public matter (res publica in latin) to vote and the power comes from their vote during elections.