The answer is D since the civil war needed other ways to train
Answer:
In 1997, Shirley M. Hord issued a white paper titled "Professional Learning Communities: Communities of Continuous Inquiry and Improvement". A year later, Richard DuFour and Robert E. Eaker published the book Professional Learning Communities at Work.
Explanation:
The third sentence is the correct answer - <span>When the Spaniards decided to conquer Mexico, they appointed Hernan Cortes to lead the army.
Given that there is an inversion in this sentence (the dependent clause is placed before the independent one), comma has to be placed after the dependent clause, and before the independent one. So, the comma should be after <em>when the Spaniards decided to conquer Mexico.</em>
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