Can what? (Asking a question)
A representative serves 2 years and a senator serves 6 years.
In World History, a declaration of independence does exactly that: declare a country's independence from a mother country. For example, the United States declared independence from England, and Comoros declared independence from France.
Externality An economic side effect of a good or service that generates benefits or costs to someone other than the person deciding how much to produce or consume. When the production or consumption of a good or service has an effect upon a third party. Failure of the market to achieve a social optimum where MSB = MSC
The answer is a)produce or consume