source: He left a detachment of 11,000 troops to garrison the newly conquered region.
target: He left 11,000 troops there to defend the region.
references: He left 11,000 troops there to defend the region. He left 11,000 troops to defend the newly won area. He left a group of 11,000 soldiers to garrison the newly conquered area. He left a 11,000 troops to garrison the newly conquered region. He left 11,000 troops to garrison the new region that was defeated. He left 11,000 troops to man the newly conquered region. He left a group of 11,000 troops to defend the area. 11,000 troops were stationed in the newly conquered region. He left behind a group of 11,000 troops to guard the newly conquered region. He left a detachment of 11,000 troops to defend the newly conquered region.