Why not is the answer hhthuujiioopppiygbb for history
b- decreased opportunities for entrepreneurs
The Industrial Revolution in the US increased opportunities for entrepreneurs. With new technology, there were more opportunities for people to create new businesses. In addition with new businesses being created there were connected, tangent businesses growing was well. For example, when the light bulb was invented it gave others the opportunity to create light fixtures, street lights, and film projectors.
The middle three are good answers. The top and the bottom are not really important.
A. A lack of cooperation among commanders led to poor execution
