Because it revolutionized the way people lived. Humans went from hunter/foragers to mass producing food, saving time which allowed for other things like education, manufacturing, art, etc.
Us influence began expanding in the 19th century, following Monroe Doctrine which defended Latin America countries from European influence in the same manner that is helped US shed off Britain. They later even engaged in help with troops and benefits, both in 19th, and 20th century, even now in the 21st.
Answer:
the answer to it is The letter D!!! <333
The use of using chemicals and toxins in war is called biological warfare. That was your question right?
The rise of the Ghana empire can begin when they started trading with traders, who desired their gold and salt. They amassed a great amount of gold from their tax and eventually conquered nearby villages. Their fall became under the influence of bad leaders, invasion of muslims, and eventually falling to the Mali Civilization.
