What is considered to be america’s first big business that with the development of other industries

railroads were the first big business in america that helped with the development of other industries.

Explanation:

Using railroads and trains, other goods were transported from place to place, giving other industries the supply's they needed to grow!

Railroads

Explanation:

Right after  the decadesthat  followed the Civil War, the United States brilliant emerged as an industrial giant full of energy and space to grow to all directions , specially to the country side. Old industries expanded, changed some business and got many new ones, It refers to petroleum drilling, steel manufacturing, and electrical power, rubber exploration and others emerged. Railroads expanded significantly, bringing even remote parts of the country into a national market economy. With those railroads the country was literally united and walking as a unique body, growing as fast as they could, expending and making the country what it is today.

although the crusades failed to capture jerusalem, they had several major impacts on western europe. they increased the authority of the king: sometimes nobles died in battle without leaving an heir in which case the king got their land. kings passed taxes to pay for the crusades.