Answer:
President Andrew Jackson was a man of humble social origins, unlike some of his predecessors who were wealthy landowners and possessed high education. He presented himself as a self-made man from Tennessee. Under Jackson, white men who did not own land won the right to vote. All of this contributed to his aura of common man, which he carefully cultivated.
Explanation:
Do not go to that link he is a hacker
Answer:
The special class of software is called open-source software.
Explanation:
With open-source software, the copyright holder allows others to study, modify, and distribute the software that they have originally produced. The idea is that this will increase collaboration and subvert purely profit-driven models for developing software programs. The standards for open-source software is that the person sharing their copyright and license must allow for free redistribution, they must provide the source code in a way that is unambiguous and easy to find. They also must allow for derived work from their original source code and they cannot restrict access due to the field the other party is in. For example, they cannot discriminate against artificial intelligence development for example.