It is B because Gorbachev was the leader of the Soviets

Because, They don't have another money, or people doesn't really care about them. The poor have struggles to have medical attention how they life style is like. It's hard for them to get enough medical attention, and, that's why sometimes people need to donation some money that the poor can get food, fresh water, medicine they need. Sometimes when people try to help Mother Nature comes in.. and, ruin everything. Soooo... yeah.
Hopefully, this helps you!!

The technologies were only used to observe enemies but as their effectiveness became apparent, both sides started to dismantle what they were using. For example, they shot down the planes that they would see causing more death.
Answer:
The answer is D
Explanation:
Being in a valley results in air pollution being contained to an area.
Answers: B. C. and D.
Hope I helped! Have a great day and remember Jesus is alive and loves you for who you are! :)