1. La calzada romana
uso:destacaban la movilización de grandes ejércitos con una rapidez nunca vista
Hormigón
uso:permitió que los edificios construidos no estuvieran solamente hechos de piedras apiladas y mortero.
I know that B and E are two that all Ik
I would go with the last option.
Home rule means that local governments in Michigan can adopt its own government and makes its own rule as long as it doesn't go against state laws.
I hope this helps you:)
The correct answer is B. To preserve competition among business firms
Explanation:
The Federal Antitrust laws are a set of laws that regulate business actions in the national level in the United States, these laws include forbidding business from fixing prices, being involved in collusion or any other action that leads to abuse of power or monopolies. Due to this, the main purpose of these laws is to guarantee business have opportunities to compete that implies there are no monopolies and the customer has a wide range of options in terms of products and the business companies that produce them. Thus, the purpose of these laws is "to preserve competition among business firms".