D seems the most likely because ammonia is not as natural a substance as the others
Answer:
The beginning of Atlantic slave trade
Explanation: Importing humans as commodity
Answer:
The correct explanation is that the Gulf of Tonkin resolution was signed on August 7, 1964 signed by President Lyndon B. Johnson.
Explanation:
The intent of the resolution was made by trying to keep the peace in South Asia after the incident against the U.S. Naval in the coast of Vietnam.
<span>The results of the Crusades. The entire structure of
European society changed during the 12th and 13th centuries, and there
was a time when this change was attributed largely to the Crusades.
Historians now, however, tend to view the Crusades as only one, albeit significant, factor in Europe's development.</span>
Answer:
The Wright brothers – Orville and Wilbur – were two American aviation pioneers generally credited with inventing, building, and flying the world's first successful motor-operated airplane.
Explanation: