Answer:
Silent trade might be used because of an inability to speak the other traders' language, or to protect the secrets of where the valuable gold and salt came from. Silent bartering has been used since ancient times, such as the ancient Ghana Empire.
Answer:
Because different groups of people encounter different diseases—the European settlers had high exposure to smallpox, measles, and influenza thanks to close contact with livestock—they develop different antibodies.
Explanation:
The answer is A. The war began with the annexation of Texas. Hope this helps.
The last one is the correct choice
Answer:
JUSTICE!
Explanation: Everyone could live Independents.