Despite the influx of international aid to a particularly war-torn region of East Africa during the waning months of 2006, in early 2007, many indigenous people unable to find food left their home to travel west where other tribal groups historically experienced less difficulties producing food, water, and land.
(A)their home to travel west where other tribal groups historically experienced less difficulties
(B)home to travel west where other tribal groups historically experienced fewer difficulties
(C)their home to travel west where other tribal groups historically experienced fewer difficulties
(D)home to travel west in search of other tribal groups who historically had experienced fewer difficulties
(E)home to travel west where other tribal groups historically had experienced fewer difficulties