15 Questions on Human and Alien Relations

1. Do aliens really exist?
2. Have aliens visited the ancient civilizations of our past?
3. If so, how were they received by those people?
4. Did they give any knowledge to the people?
5. How did they're presence effect the people?
6. How many countries might the aliens have visited?
7. Were they worshiped as Gods?
8. Did they force people to accept them as Gods or higher beings?
9. Are they responsible for the architectural feats of ancient people?
10. If not how did the people build them?