Multiple choice as a consequence of its defeat in the Franco-Prussian war, France had to pay an indemnity to Prussia of five billion francs. abandon Nice and Marseilles. agree to allow Prussia control of Luxembourg. All of the above. Reveal answer Fill a bubble to check yourself A Correct answer Explanation The Treaty of Frankfurt imposed harsh terms on France, including the loss of Alsace-Lorraine and the payment of a five billion franc indemnity.