16. A
17. B
18. A
19. A
20. B
21. A
22. D
23. A
These were researched answers, but I cannot guarantee you an A, just in case, I can guarantee however that most of them may be correct.
Answer:
The caste that one belongs to serves as a strong determinant of his or her voting pattern. In India, different political parties represent the interests of different caste groups. ... The upper caste people have more freedom to vote by political beliefs. The Mandal Commission covered more than 3000 Other Backward Cast.
Jefferson directed Meriwether Lewis to gather as much information as he could concerning the possibility of trade with merchants there, and during the winter of 1803-04 Lewis considered conducting a personal reconnaissance of the Indian route to Spanish country that led up the Kansas River.
Answer:
The North Vietnamese army attacked the U.S. Marine garrison at Khe Sanh. It was through the air the supplies were sent at the base of Khe Sanh.
Explanation:
The Battle of Khe Sanh started in 1968 when troops from North Vietnam (PAVN) with massive artillery attacked the U.S. Marine garrison at Khe Sanh. Khe Sanh has been a US base since 1962, and its location played an important role in observing the Minh Trail.
During the attack the Khe Sanh base was besieged and cut off, leaving the only way to resupply by air.
i would say primary, but it could be secondary im not completely sure.
hope that helps xx