Because the government were not good.
Pros of child labor--children are a cheap labor source, they work jobs specific to small details, they help to provide money for the family unit, and they provide taxes instead of any cost to the government.
Cons of child labor--it reduces the lifespan, reduced education rate through the country. Outlawing child labor would cost families money and with public education costs the government money.
Correct answer choice is:
B. Machine guns.
The machine gun, that therefore came to intimidate and even to encapsulate the battlefields of warfare One, was a reasonably primitive device once the general war began in August 1914. Machine guns of all armies were for the most part of the significant selection and unquestionably ill-suited to immovability to be used by speedily advancing army unit troops.
Answer:
The only known secular music by Praetorius was a set of instrumental dance tunes called Terpsichore.
Explanation: