I think a and d but I could be wrong
I believe it is Rise and Growth of Railroads because now American have a chance to travel and that's how new towns and suburbs started. Also, shipments of steel, coal, and lumber were in high demand which led people to open up markets in stops to sell goods.
Answer:
Lack of financial skills and planning. Failure to innovate. Poor inventory management. Poor communications throughout the organization.
Mark as brainiest
