Anarchism is a term describing a cluster of doctrines and attitudes whose prin * uniting feature is the belief that government is both harmful and unnecessary .
无政府主义这个词描述的是一堆理论和态度,它们的主要共同点在于相信政府是有害的,没有必要的。
A prin cipal reason was that most trees , unlike annual plants , cannot readily be propagated from cuttings .