(Q).
This is a correct answer to the following question about United States. Yes or no? Answer: The United States is a developed country and has the world's largest national economy, with an estimated 2012 GDP of $15.6 trillion 19% of global GDP at purchasing-power parity , as of 2011. Question: when was america pioneered
(A).
No

(Q).
This is a correct answer to the following question about Gold bar. Yes or no? Answer: The standard gold bar held as gold reserves by central banks and traded among bullion dealers is the 400-troy-ounce (12.4 kg or 438.9 ounces) Good Delivery gold bar. Question: how much does a gold bar weigh
(A).
Yes

(Q).
This is a correct answer to the following question about World War I. Yes or no? Answer: While the Russians mobilised, the Germans invaded neutral Belgium and Luxembourg on the way to France, providing a casus belli for Britain's declaration of war against Germany. Question: what country in the middle east did france take control of after ww1
(A).
No