The answer is b. knowledge
On April 23, 1968, 300 Columbia students barricaded the office of the college dean, charging the university with supporting the Vietnam War and violating Harlem residents' civil rights. Hope this helps
They are known as an inselberg or monadnock (/məˈnædnɒk/) is an isolated rock hill, knob, ridge, or small mountain that rises abruptly from a gently sloping or virtually level surrounding plain.
Answer:
No need for revision, it's correct as it is.
Explanation:
“While most visitors to Washington, D.C., visit the well-known memorials, including the Washington Monument, the Lincoln and Jefferson memorials, and the more recent Vietnam Memorial Hall, a beautiful and lesser-known memorial”
The underlined sentence “Vietnam Memorial Hall, a beautiful and lesser-known memorial,” needs no further revision.
