1820 मायथायनि सिगां कुवापाउ त्राइब'आ आरकानसास दैमानि खोला बाहागोआव थानाय 45 मिलियन एकर हाखौ आमेरिका सोरखारनो 18 , 000 दलाराव फानदोंमोन ।
The Quapaw tribe sold 45 million acres of their land south of the Arkansas river to the U S government for 18 000 before 1820 .