Answer:
Once when preparing for a Spanish test I used repetition to help me study. This technique was useful for me, because when I wrote out vocabulary words and continued to review them until the day of the test it helped me remember the words a lot easier.
Answer:
Out of the choices given, enemy nations using sophisticated warfare to overpower the outdated tactics of the empire brought an end to the great West African empire.
Explanation:
Volcanic activity , earthquakes , tsunamis.
