I think that it would be B.trade
Produced the steam engines which then improved systems of transportation. For example, trains were essential, but relied on burning coal. The steam engine made it more efficient. For the textile industry, the sewing machine was introduced to production lines, helping the processing and usage of cotton to be more efficient.
Answer: Secular and sacred music were equal.
Opera was unimportant.
Explanation:
if it is seprate answered here it is
The reason why Carnegie Steel was an example of Vertical Integration was that the company controlled every step of steel production and distribution.
<h3>What is vertical integration?</h3>
Vertical integration refers to when a company takes over processes along the chain of production and distribution.
Carnegie Steel controlled every step in the steel production chain which meant that it engaged in vertical integration.
Find out more on veritcal integration at brainly.com/question/19815172.
Checks and balances work protect us from the govt getting more powerful than the other