Brackish water is water that has some salt/sea water, but is mostly fresh.
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.
Royal governors wanted to keep settlers happy. So instead of staying in England they went all the way to the colony to live there with the settlers and learn their way of life. This would help them make better decisions.