The answer to the question above is C
D to overthrow Fidel Castro
President Carter's attempts to free the hostages were done in good faith and effort, but were hampered by failures in communication, delivery and execution. The plan involved servicemen who were not as well-trained as they could have been and certain weather effects like the "haboob" which was a big dust cloud, doomed the mission. Carter does deserve credit for taking responsibility for the failure however.
The Mongolian pastoral nomads relied on their animals for survival and moved their habitat several times a year in search of water and grass for their herds. Their lifestyle was precarious, as their constant migrations prevented them from transporting reserves of food or other necessities.
There u go!!!
