Which of the following groups frequently protested the hiring of unskilled factory workers in the 1800s?
craft guilds
labor unions
pinkertons
trade unions

I believe the answer is: Trade Unions

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The hiring of unskilled workers was being done by factories to cut down the labour expense that they have to pay in order to obtain more profit. This lead to situation where a lot of skilled labors become unemployed, which cause the massive protest from the trade union.

honestly i really it keep confusion down on some sides

depends on the age of the teen, many believe by the age of 16 a person should know the strong difference between right and wrong along with the difference between risky and immediate death. swimming with sharks might be dangerous but swimming with sharks while bloody meat is attached to you is just insane. even more if you have no idea what you're doing. however, no matter the age, as long as the person is skilled enough and has the mental and physical capacity to control their actions doing whatever sport they put their mind to is all that matters.