Select all the correct answers. What two effects did the development of vaccines have on society?
controlled infection-causing bacteria
helped control death due to smallpox
became the basis for future research
reduced the deaths of soldiers during wars
reduced the cost of medicines

You can have more than two answers I believe.

Ayoung lady whom i'll call anonymous lived in west berlin and she said there's a thing going on there called the berlin airlift.the russians are trying to take over. this is not a good thing she says because the russians are communist and in a communist society. you don't have a say in the vovernment and you have much room to stand up for yourself.