Complex sentence: As China was initially not a belligerent nation, her nationals were not allowed by their government to participate in the fighting, the early stage of the recruiting business in China was somewhat sketchy, with semi-official support from local authorities.
Split into simpler sentences: As China was initially not a belligerent nation, her nationals were not allowed by their government to participate in the fighting. As a result, the early stage of the recruiting business in China was somewhat sketchy, with semi-official support from local authorities.