I believe the answer is b
Show of force operations is the correct answer.
Show of force operation is a military operation that takes place in order to warn or intimidate an opponent. They can be executed by militaries, police officers, or others armed groups. For instance, last year the United States airpower made show of force to protect our troops in Syria.
Answer: There are 21 countries that have Spanish as an official language. Those countries are… Mexico is the biggest Spanish speaking country with the most Spanish speakers in the world. While Spanish is an official language of the country it is not the only one.
Explanation: Hope this helps :)
D. United States and Soviet Union ~ The Cold War was the increased political and economical tensions between the United States and Soviet Union post WWII.