Pls urgent! will mark branliest! this is due in 10

choose one invention, change of transportation, or change of communication. write 5-7 sentences describing how it has changed the life of americans.

How did the phillips brothers expand their businesses? by selling it to other businessmen by changing their source product by merging their companies by acquiring government support

What affected the second industrial revolution have on transportation

How did inca develop their road system? a) they used mortar to hold the stones together.b) they built suspension bridges over rivers. c) they mixed copper and stone together to make the blocks.d) they laid roads in the cities, not in the less densely populated deserts.