Well first off, I would notify a parent and let them know what your brother did.
Second off, don't let your brother hit you with things.
And third, if he's being rude, you have the right to ignore him.
During the McCarthy era, Julius and Ethel Rosenberg were executed for allegedly giving atomic secrets to the Soviet Union. They were executed on June 19, 1953.
increased production of food and lowered prices
made goods easier to transport, which gave people a wider range of options
gave way to migration
created two new social classes to which people would live and work in