Although driven to see enough "raw" wilderness in remote Western spaces to last several lifetimes, Bob Marshall's effort to achieve this goal more fully was undone by the affliction of which resulted in his untimely passing at the age of 39. a) Tourette's Syndromeb) Diabetesc) Goutd) Pancreatitise) Leukemia

D

Explanation:

Bob Marshall was an American wilderness and forest activist and the one of the brains behind the establishment of Wilderness Society in 1935. He was also known for the fighting of the rights of Native Americans.

He was plagued with different illnesses such as Ulcer and Hepatitis. However in November 11,1939 at the age of 38 he died. The official cause of death was discovered to be myelogenous leukemia and heart failure.