Do unit test have 2 parts , open book and closed book

true
false

false

unit tests should always be closed book unless your teacher allows you to look at your notes.

Explanation:

answer; the importation of slaves from africa,//   is the correct answer.

concurrent jurisdiction is the ability to exercise judicial review by different courts at the same time, within the same territory, and over the same subject matter. for instance, a domestic violence matter may be heard in either a general civil court or a family court in the same county. whichever court actually exercises its jurisdiction first will do so exclusively.