Although we usually think of social mobility as a result of individual effort, during the "dot-com boom" of the late 1990s, many people became instant millionaires. this is an example of:

This is an example of structural mobility

This is the movement of individuals and other categories of people that results from changes in the stratification hierarchy which in this case was caused by the internet boom. As a result, some people moved from lower classes to upper classes relative to other people

question 1:

senate and house of representatives

i would try to answer the second question but i’m not 100% positive but i hope i

answer; /// all of the above;