First, its Please, second:
1. D
2. D
3. F
4.D
5. F/D
6.F/D
7.D
8.D
9.F/D
10.D
11.D
12.F/D
13.F
14.D
15.F/D
The Navajo were especially valued by the military because they could be used as code talkers and translators
Answer:
CAN YOU MARK ME BRAINIEST PLEASE
Explanation:
Maintaining trading opportunities in China for United States businesses was the primary purpose of the Open Door Policy.