How did the kingdom of ghana facilitate the gold trade despite not having gold mines?
a. it established tax-free trade routes outside its borders to attract more traders to the gold mines.
b. it made it mandatory for all its buildings to be made of gold, thereby earning the name "land of gold."
c. it forced its traders to bring back gold from foreign gold mines and exchange it for salt.
d. it regulated the trade of gold by taxing merchants who used trade routes that passed through ghana.

D. It regulated the trade of gold by taxing merchants who used trade routes that passed through Ghana.

Explanation:

APEX

freedom of speech is also protected by the 1 amendment.

explanation:

here is pretty much what the 1st amendment says:

congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or the right of the people peaceably to assemble, and to petition the government for a redress of grievances.

i believe the correct answer is b.