The answer is D. i just took the quiz
Fifteenth Amendment, amendment (1870) to the Constitution of the United States that guaranteed that the right to vote could not be denied based on “race, color, or previous condition of servitude.” The amendment complemented and followed in the wake of the passage of the Thirteenth and Fourteenth Amendments, which abolished slavery and guaranteed citizenship, respectively, to African Americans.
Answer:
The 1st answer choice, is the correct answer!
Bartlett point out that british force was unprepared for battle which may accur. on the other hand the another team armies were strongly prepared for battle and enough power to defence.