the correct option to this question are
the catholic church unified different kingdoms of Europe under the umbrella of the church. An example is when the church crowned kings as emperors of the holy catholic empire.
the catholic church intervened and settled disputes between rival kings and lords. whenever, there were disputes the king was always at the forefront to handle and resolve disputes.
Answer:
the queen of England granted exclusive right to east india company in 1600
Answer: B. by working together voluntarily
In 1883, railroad companies were able to standardize their timetables. One of the best practice that they did is that they work together voluntarily for the welfare of the majority. It is the unity that they were able to construct that made the standardization of their timetables.
This is an opinionated question, so points should not be affected toward your opinon. However, I believe corporations should not have loyalty to the United States because the U.S. could ban businesses from selling/sharing a product to certain countries, however I think the U.S. government should have some say in what corporations sell to other countries so that they aren't giving some random person in "who knows where" parts to make a bomb etc...