What do the 365-day calendar developed by the Egyptians, the wheel invented by the Sumerians, and the creation of paper money by the Chinese have in common?

He did that to war with groups

What is the following

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.