What disadvantages did the Germans face?

answer; (d) one tectonic plate plunges beneath another; (most common,convergent boundaries)

i do believe the correct answer is the spread of chinese culture throughout asia and africa.good luck

explanation:

dude you should crop your image so only the question shows. but   can you explain it better

d. the polar jet stream   lies between the polar easterlies and trade winds should be your answer