The steamboat Liberal transported this resource for a company that imprisoned Walter Hardenburg, who criticized that company’s production of this resource as a “devil’s paradise.” Attempts (10[1])to improve the efficiency of transporting (-5[1])this resource led to the discovery of the Fitzcarrald isthmus. (10[1])This resource was transported via the “Devil’s (-5[1])Railroad,” whose construction (10[1])began after the Treaty (10[1])of Petrópolis granted a country a territory rich (-5[1])in (-5[1])this resource, (10[1])Acre (10[1]-5[2])(“AH-kree”). Julio César (-5[2])Arana (-5[1])used (10[1])“boys of trust” (10[1])to torture workers producing (10[1])this (10[2])resource, (10[2]-5[1])resulting (10[1])in (10[1])the Putumayo genocide. (10[1])The “Island of Innocence” was built for an artificial city (10[1])established to secure this resource, (10[2]-5[1])Fordlândia. (10[2])For 10 points, (10[3])the growth of Manaus (10[1]-5[1])resulted (10[1])from its export of what (10[1])resource extracted from trees in the Amazon? (10[1])■END■ (10[9]0[1])