D) The Atlantic Wall was an extensive system of coastal defences and fortifications built by Nazi Germany between 1942 and 1944, along the coast of continental Europe and Scandinavia as a defence against an anticipated Allied invasion of Nazi-occupied Europe from the United Kingdom, during World War II.
I think that the answer is A. (im not so sure)
I hope this helps :) (im so sorry if this is wrong)
Answer:
Gallego and Woodberry use the historical literacy rates of 17 former African colonies to estimate its impact on current education outcomes. They find that Protestant missionaries were more efficient in converting the native population and more successful in improving literacy.
Explanation: