What is the difference between unicameral and bicameral? Which one did the Articles of Confederation have, and which
one does the US Constitution have?

The Articles  of Confederation are unicameral

Explanation:

The difference is that unicameral is a legistative system having only one house or assembly.  And bicameral refers to a form of government where the power is shared rather than only one having it.

the labor movement in the united states grew out of the need to protect the common interest of workers

for those in the industrial sector organized labor unions fought for better wages reasonable hours and safer working conditions

  in the 19th century trade unionism was mainly a movement of skilled workers.

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the correct answer is:

true

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