Do you have answer choices?
If it helps, this is what *did* happen to them,
they were made into client states of the soviet union (now referred to as the USSR) and turned into communist semi autonomous states
Technology wise, it helped create more room for more building, due to building up, instead of across.
Art wise, a lot of the buildings have beautiful trimming and materials used in them to look appealing while also being effective.
After Mary Andersonnoticed the problem street car drivers had cleaning their windshields, she hired a designer to help her design a hand operated apparatus to keep clear winshields; and contracted a company to produce it. Later she applied for an invention patent, which she obtained. Then she tried to sell her invention to the industry.
Because it could drastically change his career.