In the poem, Dunbar attacks through these identifications to the legal institution, represented by a judge, who is described wearing a black mask, also refers to the medical institution, as it describes a doctor wearing a white mask; and finally attacks the institution of the Church, because Dunbar describes a minister, with his eldest son. All this is clearly the way to expose how every part of American and white society is racist, and engage both the professionals, the high church members, as well as the representatives of the judiciary power, all involved in the horrible act of lynching a old african-american man.
The main way in which the separation of powers guards against tyranny is by making it impossible for any single branch to become too powerful, since each branch "checks and balances" the others out when it comes to making and enforcing legislation.
You're suppose to ask a question... but that's very nice! :D
On July 4, 1776.
<span>the Second Continental Congress, meeting in Philadelphia in the Pennsylvania State House (now Independence Hall), approved the Declaration of Independence, severing the colonies' ties to the British Crown.</span>