The creation of trusts was a common tactic used to exercise control in which of these areas?

The information box says that the han added 4,000 miles of wall.refer to the mileage scale.how can this be true?

What is the result of americans’ tradition of joining interest groups? a decline in political parties a large number of interest groups of all sizes a few large interest groups a large number of equally funded interest groups

Why did the us military stop the dakota uprising ?