"The Southward spread of Taoism" means the spread of Taoism founded in the area north of Wuling(五岭 ) to Lingnan ( 岭南 ), south of Wuling.
“道教南传”是指在岭北(以五岭为界)创立的道教向岭南的传播。
参考来源 - 道教南传及其影响·2,447,543篇论文数据，部分数据来源于NoteExpress
As the Arctic ice pack spread southward, Norse voyages to the west were rerouted into the open Atlantic, then ended altogether.
由于北极的大片浮冰向南移动，挪威人的航行路线由向西航行改成了向开阔的大西洋航行，后来向西的航行整个都终止了。
Hanyu with the Manchu influence spread southward.
受满语影响的汉语遂向南传播。
At a later date the cultivation of cocoa spread southward, mainly to Brazil, and at the end of the last century, spread to the equatorial regions of West Africa.
之后，可可的种植向南扩张。主要扩展到了巴西。上个世纪末，可可种植扩张到了西非赤道区。
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