A reason to leave a place
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.
The second one man. I believe that's the answere
The French Revolution was a necessary event which lead to positive impacts is correct
As It overthrowed the king(as that king didn’t cared about the common people or the people belonging to the third estate in the France) the king was Louis XVI
Also it helped to overthrow he the estates system in the France.
It also helped to free slaves
Hope I helps you!