functionScope2.js

const unLawOne = 'Slavery is prohibited';
const unLawTwo = 'Chemical weapons are prohibited';

function unitedStates() {
  let drinkingAge = 21;
  console.log(drinkingAge) // 21
  console.log (unLawOne) // Slavery is prohibted
}

console.log(drinkingAge)
// error, drinkingAge not defined