Answer:
Correct answer is by sending Soviet troops to Afghanistan.
Explanation:
Brezhnev doctrine was focused on the reaction of Soviet troops in the areas where the Socialism was endangered.
That is why the last option is correct as Soviets reacted with military assistance in Afghanistan.
All other options are not correct as they are showing the readiness of Soviet Union to lower the tension in certain period of crisis.
It's too short. Write at least 20 characters to explain it well. Your answer can't be empty
Tigris if im not mistaken
Discovery of streets arranged in a grid like pattern and a system of pipes for moving water in Harappa and Mohenjo-Daro suggest that these ancient river
<span>valley cities in South Asia had "organized government," since the construction and planning of these systems requires a strong central authority. Hope this helps :)</span>
