It was the war that gave birth to modern warfare, introducing machine guns, artillery, and chemical weapons. With new technology, came the need for new tactics and old generals didn't do that, which led to the meat grinder of trench warfare.
Answer: While PMCs often provide services to train or supplement official armed forces in service of governments, they can also be employed by private companies to provide bodyguards for key staff or protection of company premises, especially in hostile territories.
Explanation:
To approve the appointment of Monroe as secretary of the treasury.