Please Help me will give brainiest please During the Second industrial Revolution, the use of interchangeable parts affected which of the following?

A. The assembly of products in factories

B The shipping of raw materials on railroads

C the production of steel in plants

D the communication between businesses​

French political thinker baron de montesquieu (1689–1755) was one of the enlightenment's most important thinkers. he is famous for saying that "when the [law making] and [law enforcement] powers are united in the same there can be no liberty." to which principle of government is montesquieu's statement most directly related? a) bill of rights b) individual rights c) popular sovereignty eliminate d) separation of powers

How do goods differ from services? (economics)

After the attacks of september 11, 2001, the united states demanded that