Ontario did not "join" Confederation. Ontario did not exist as a political entity until Confederation occurred.
Newfoundland and Labrador did join Confederation, but not until 1949.
Newfoundland and Labrador was the last province to join Confederation in 1949
The last province to join Confederation was Newfoundland, in 1949. The last territory to join Canada was Nunavut, in 1999.
The last province to join the confederation has NewFoundLand. The last territory was Nunavut.
Qubec joined the confederation in 1867.
Spain joining Canadian Confederation? What planet are you on?
They were forced.