One of those accomplishments was to teach his soldiers discipline. They were fighting poorly because they lacked it. Hope this helps!
The correct answer is D) it can declare presidential actions unconstitutional.
<em>The Judicial branch checks the powers of the executive branch in that it can declare presidential actions unconstitutional.
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In order to eliminate the possibility that one power had more faculties and could control the other two, the United States Constitution created a doctrine of System of Separation of Powers and a Check and Balance System. This way, the Constitution defines clearly the power of the Executive branch (the Presidency), the Legislative branch (the Congress), and the Judicial branch (the Supreme Court). In the case of the question, the Judicial branch checks the powers of the executive branch in that it can declare presidential actions unconstitutional.
The answer is Erosion, which is the the gradual destruction or diminution of something -- in this case, rocks. I hope this helps! For reference/perspective, sand is the product of rock erosion, because it's really just tiny remnants of crushed rock. Those "small pebbles" could be sand, but you'd have to emphasize just how small they are -- one grain of sand is just that: a grain
