Prior to the development of interchangeable parts, the french led the world in the industrial revolution. parts used to manufacture goods were custom made. most parts were made in american factories in the south. harvesting and other agricultural work was all done by hand.

The correct answer is B) parts used to manufacture goods were custom made.

Prior to the development of interchangeable parts, parts used to manufacture goods were custom made.

Technology changes things to facilitate the lives of people. In industry, during the Industrial Revolution appeared the interchangeable parts that were considered pre-manufactured parts. This allowed the production of identical parts quickly and at low cost. These parts fit correctly into the assembly line. Most of the fabrics began to use these interchangeable parts in their production machines. No more hand-made parts that were more expensive.

increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b