Answer: Writing/Mailing, Sign Language, Talking with your voice, Body language, and dreams, if you're including religion.
Explanation: Writing is a way of talking to other people, probably one of the most easiest ways to talk, sign language is language with your hands, talking with your voice is the easiest way of communication, body language is another way to communicate, and dreams for example "god" can tell you something in a dream if you believe in a religion.
They will use an export license - a government will use an export license to attempt to control the export of national treasure or antiques.
B. less than $10 million worth of gold and silver.
Answer:
1. The new rulers stopped all voyages.
2. Trade was limited.
3. China was separated from other civilizations.
Hopefully this helps!
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