Answer:
any
Explanation:
It is plural so it is any
The <em>magi</em> didn't, technically, <em>invent</em> anything. They were wise men or magicians and probably astrologers. Because astrologers watched the skies and could predict where the stars and planets would move to, they were considered to be able to foretell the future.
The problem of xenophobia is people. Xenophobia is hatred or dislike of people in general. It's objective is often removal of those people in various ways. An entire nation can be xenophobic and nationalistic which can lead to numerous problems such as wars or genocides.
WHAT EXACTLY IS THE QUESTION SUPPOSE TO BE