What was the advantage of assembly lines?

The advantages of it is that more work is been done and quicker therefore can sell many stuff like Henry Ford he used assemble lines to sell a lot of cars and earned a lot of money.

P.s. By the way he used the paint colour black because it dries faster.

They were eliminating problems caused by industrialization, urbanization, immigration, and corruption in government

The  pharaoh  was at the top of that pyramid. in the level below were nobles, priests, and officials. they the  pharaoh  govern egypt. so did soldiers, who fought battles for their ruler, and scribes,  who kept records  for the government and the temples. i know this