<span>Each country has control over which currency they use. Some have historical significance; others are chosen more recently. There may be some restrictions on the currency chosen - for example, if countries want to join the European Union, they have to change their currency to the Euro.</span>
As displayed on a production possibilities curve, an increase in technology allow a society to produce more, as long as the resources are<span>also available</span>
Explanation: The Connecticut plan~A legislature with proportional representation in the lower house and equal representation of the states in the upper house