Answer:
I don’t know the answer never been good with geography
Explanation:
Even though the map wasn't provided, it is possible to answer the question by saying that the correct alternative is letter<em> A: Nazi leaders wanted to keep the existence of extermination camps secret.</em>
The extermination camps were built to murder sistematically jewish, communist and all other kinds of people that the Nazi considered inferior. The idea was to have them in hidden places so as not to cause commotion.
Colonial farmers grew a wide variety of crops depending on where they lived. Popular crops included wheat, corn, barley, oats, tobacco, and rice. The first settlers didn't own slaves, but, by the early 1700s, it was the slaves who worked the fields of large plantations.