The answer is a) Division of labor.
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-Payshence xoxo
He was a scholar who wrote to defend religious ideals. The Great Schism of 1378 differed from the one in 1054 because. it was based on a power struggle.
Biased information can be found in almost anything, but is usually found in newspaper editorials, online blogs and forums, magazines, and opinion based pieces. However, when reading any kind of story/article, an author's opinions will generally show as it is virtually impossible to stay completely unbiased.
They attacked only at night under the cover of darkness. Their tactic was to engage in small skirmishes in the South Vietnamese countryside where they were familiar with the area. They used guerilla warfare and had their trip wires and pits with sharpened bamboo stakes to demobilize the enemy. After the battle, they escaped back to the jungle.
City dwellers faced the noise, dirt, and crime of the cities, the hardships of factory work, and the overcrowded, dangerous conditions of tenements.
Governments and city planners tried to alleviate dangerous conditions and make cities better, safer places to live.