Which constitutional amendment expanded the definition of citizenship to include voting rights for younger adults

Who believed that the best economic system was one in which businesses compete to gain profit with minimal or no government control? a.thomas hobbes b.john locke c.adam smith d.jean-jacques rousseau

Following archduke franz ferdinand's assassination, austro-hungarian leaders: a. aided the ottoman empire in its campaign to keep serbia under its control. b. executed nearly all prominent serbs living in austria-hungary c. threatened to invade serbia if serb leaders did not agree to a set of strict demands. d.. formed an alliance with great britain to protect austria-hungary from future attacks.

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