How to use "labor" in a sentence

There is much controversy about the delivering up of fugitives from service or labor

"No person held to service or labor in one State, under the laws thereof, escaping into another, shall in consequence of any law or regulation therein be discharged from such service or labor, but shall be delivered up on claim of the party to whom such service or labor may be due."

Shall fugitives from labor be surrendered by national or State authority? The Constitution does not expressly say

With seven massive production numbers, five major variety acts, forty-two girl dancers, forty-two boy dancers, fifteen showgirls, two boy singers, two girl singers (one temperamental), forty-seven crewmen and technicians, a twenty-piece orchestra, one elephant, one lion, two black panthers, six golden retrievers, and twelve white doves, the logistics were mind-numbingly complicated, but a year of arduous labor was evident in the slick and faultless unfolding of the program.

He had a few chores to finish before she came, so they wouldn't have to spend a lot of time doing galley labor as they had done last night