Constantine because there was a conference in 326
<span>In my opinion, D.
"As quickly as the boom had begun, though, it ended. With the war’s end, the government no longer guaranteed farm prices, and they fell to prewar levels."</span>
An Incan citade in the Andes mountains in Peru. (Above the Urubamba River Valley) The original use of it is not known, but we do know it was built in the 15th century.
The answer is all of these
