What is the “crack problem” Gorbachev faced in the late 1980s? Why did he face this problem?

1 answer

Read carefully.

https://www.google.com/search?sxsrf=ALeKk03u0P2LRxNeD7hrjtJWSloUEIZjng:1587141303685&q=gorbachev%27s+crack+problem+in+late+1980s&sa=X&ved=2ahUKEwiJ4_SM8u_oAhWTWc0KHUCSDy4Q7xYoAHoECAwQJw&biw=1433&bih=702