The answer is to keep out invaders<span>
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If he approves the bill, he shall sign it. But if he does not return it with his objections to the House in which it shall have originated, the Congress shall enter the objections at large on their journal, and proceed to reconsider it. Congress just needs about two-thirds of the majority of the House to pass the bill or create the law without the president's approval.
I believe the answer is: <span>The Senior Rater
The main duty of </span><span>The Senior Rater Is to determine the talent and true potential of each soldier based on their tests and achievements.
This information would be useful for the army in determining which soldiers could obtain higher up position in the future</span>
I can't really give you two paragraphs but one (and probably the biggest) thing was democracy. Democracy is the 'everyone gets a fair vote' and the Romans had originally started that system. After the Roman empire fell apart, the system was completely forgotten until the USA became its own country.
Another thing that we took from the Romans is archetecture. (<-- spelled wrong). Before buildings were built with steel, American's had to rely on the Roman columns, domes, and arches. Arches are great for distributing weight so that the building wouldn't collapse in on itself and so are domes. They spread the weight evenly so that you don't have to use massive pillars to hold the building up. But when steel began to be produced, the Roman architechture became more of a decorative thing because steel is a lot stronger and can support more weight.