Answer: Public-domain is the answer
Explanation: Shareware, freeware, and public domain are software categories defined by how programs may be distributed, copied, used, and modified.
The correct answer is that yes, they advise on rules and legislation and file briefs with the courts. They lobby with the legislative and the executive powers to change laws or implement new measures, while they file briefs with courts as a part of the judicial branch. A brief is when they write a document giving their opinion as to why a side should win in a case.
Montesquieu proposed that the government should be divided into separate branches, also known as separation of powers. This was to provide checks and balances within the government and to prevent power from being concentrated to one person or branch.
The biggest reason that the United States sent Matthew Perry to Japan was to use it as a "coaling base" or a base where steamships, which used coal, could restock their coal supply.