How has the role of Congress in our constitutional system changed over time? Describe at least TWO eras in American history in which the powers of Congress were expanded or limited.

Congress has changed over time because they have passed an additional 23 amendments. and the two powers are passing bills of attainder

dylan has written many enduring songs and he has received several awards for his musical achievement;  

any written work with artistic value can be considered literature; especially if such work is publicly recognized, and has had importance and endurance among people; whether is poetry or fiction or drama or even criticism, since it's the transcendence and representation of a culture, language or people in a period of time to more people, using letters (words), regardless the subject.

the nobel prize in literature is given to authors from any country based on a body of work as a whole that inspires and nurses the life of humanity.  

and the work of bob dylan matches that description, therefore is well deserved since he'd created new poetic expressions within the american song tradition, that has inspired and influenced the lives of many people, not only withing the united stated but worldwide as well.

the correct answer is, it increases the amount which is being deposited in the bank account of people.

when the fed buys treasury   bonds it increases the amount which is being deposited in people's accounts.

treasury bonds are termed as long-term or secure investment which offers payment after every six months up to the maturity of the bond.

there is a fixed rate for every treasury bond whereby the interest rate is being determined by the auction.

there is an additional fees for those who have not yet opened accounts with local commercial banks.