Not sure sorry but pretty sure it’s b sorry if I’m incorrect
Polls are always accurate and not-biased.
1. Enabled building of factory away from rivers powered machines = steam power (steam power enabled for factories to be established anywhere. It also provided substantial potential and could be utilized to power huge machines )
2. Developed system of interchangeable parts; increased production =Eli Whitney (at his arsenal Eli Whitney discovered the use of interchangeable elements and the milling device)
3. Made putting together of goods piece by piece; increased production greatly = assembly line (an assembly line is a construction process (oftentimes called a progressive machine) in which parts (interchangeable parts) are added as the semi-finished assembly passes from workstation to workstation where other parts are attached in series until the final assembly is designed. )
4.provided a tough, efficient building material for industrial purposes = steel (steel is an alloy of several metals but it consists of more iron than other minerals. Steel is solid and potent than iron)
President of the French Republic is elected to a five-year term in a two-round election under Article 7 of the Constitution.
