Answer:
C
Explanation:
Significance- The Cotton 'Gin enabled cotton to be cleaned of seeds much faster than by hand. It also increased the need and demand for slavery as a major labor force in the South. Interchangeable parts enabled the modernization of weapons and other machine parts.
It is protected by the fact that it has a system of separation of powers with three branches that control each other and prevent tyrannical behavior from a single branch. They are also separated into local provinces and autonomous regions that are ruled by small scale governments that have some degree of independence and that could easily oppose a new form of tyrannical government.
The atmosphere helps us breathe,it provides a shield(radiation shield), a security blanket to keep us warm, and last but not least weathering the storms.