Add spaces: InthewildsofNorthernCanada,withcongenialmen,hefoundcompletehappiness....

Answer: In the wilds of Northern Canada, with congenial men, he found complete happiness. ...

Add spaces: Botharecompletelyunnecessary.

Answer: Both are completely unnecessary.

Add spaces: Manyofthehouseswerepartiallyconstructedwithwoodtakenfromthepropertyandmilledrighthereon-sitebytheAmish’shorse-drivenlumbermill.

Answer:
Many of the houses were partially constructed with wood taken from the property and milled right here on-site by the Amish’s horse-driven lumber mill.