Trade in services includes __________

What difficulty is posed by the method of proposing constitutional amendments through a constitutional convention?

a. It allows no input from the states. b. It is unclear whether such a convention would be limited to a specific subject. c. It limits the president's involvement in the amendment process. d. It does not provide a time table for when the convention must convene.

The upper house of the German parliament is the ____________,

with representatives selected by _____________: a. Bundesrat, Lander (state) governments b. Bundestag, by the people of Lander (state) governments c. Reichstag, by people of parliamentary district d. Bundesrat, with members appointed according to the proportions of votes received in national elections