The colony of British Columbia joined Confederation on July 20 1871.

They wanted to join Canada because: ~they wanted Canada to pay for the colonies debts. ~they wanted Canada to make payments to the new province every year.they wanted to!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

The three choices open to the colony of british columbia in 870-1871 were that British Columbia could remain a British colony, the colony could join the united states and that British columbia could join the canadian confederation.

Only one province joined the Canadian Confederation in 1871 and that was British Columbia, previously a British colony.

British Columbia was created in 1871.