Straighterline the lowest or most basic needs in maslow's classification system are called needs.

Straighterline the lowest or most basic needs in maslow's classification system are called "biological" needs.

Maslow's hierarchy of needs is a motivational theory in psychology containing a five-level model of human needs, frequently delineated as progressive levels inside a pyramid.  

"Biological/Physiological" needs are the physical prerequisites for human survival. In the event that these necessities are not met, the human body can't work and will eventually fall flat. Physiological necessities are believed to be the most imperative and they are needs that ought to be met first.

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answer: a federal government has final authority on interstate/inter provincial  and international affairs, a confederation is one where the central/national government or authority is governing body what does not have final say over the same matters. hopefully this and i will try again if you don't like this answer : )

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the answer is d. amendments.