The expressed powers are powers which are explicitly mentioned (typically in the constitution) and the implied powers are generally the powers that are needed to fulfill the obligations or to use the expressed powers, but which are not explicitly mentioned anywhere. Therefore the correct answer is:
b. implied powers are generally agreed upon and express powers are written in the Constitution
The answer is "unknown self".
The Johari Windows is made of four parts:
Open Self – What others think about you and you know as well.
Blind Self – What others think about you, however you don't.
Hidden Self – What others don't think about you, however you do. It's your insider facts.
Unknown Self – What others don't think about you and you don't either.
In pre-modern societies, status differentiation is widely varied. In some cases it can be quite rigid and class based, such as with the Indian caste<span> system. </span><span>In contrast to modern societies, a person’s lifelong position in most premodern societies was mostly determined by the caste he/she belongs.</span>