Answer: The US Army
Explanation: established on June 14, 1775 the US Army is the oldest branch of military. The army was essential to the US gaining independence because of the bravery of its soldiers and during the revolutionary war. Today more than two centuries later its members continue to define and protect the country and its people.
Tropical hunters & gatherers
The correct answer is GDP or Gross Domestic product. It is used to determine the economic performance of the country and also compare economies on the international level. We can also calculate GDP per capita and PPP which is the purchasing power.
