Step-by-step explanation:
Most of the invention which are popular in the present were invented in past the scientific have just uploaded them. For example telephone,they were used to communicate but now they have traveled in the modern with as smartphone. The cities and monuments that give us knowledge about the past. The Roman empire which made paved roads helped cities to connect with eachother are built up in modern world and Chinese civilization who made gunpowder which gave inventers of bullet the idea of it, the list goes on.Canals too which help transport water in this new world. Basically most of the stuffs are just developing thus the past is making a huge influence.