The correct goverment is the last option
Canals are man-made, meaning, they are Human Systems.
Faults are natural, meaning, they are <span>Physical Systems.
Floods are not created by man, meaning, they are </span>Physical Systems.
Bridges are man-made, meaning, they are Human Systems.
I hope this helps!
Answer:
Explanation:How the slave trade influenced the West Africa and Americas; by the sells and trade of goods. Goods referred to black men and female slaves.
The Nile river had a big impact on trade because it served as a source of transportation. Communities formed along the Nile were more developed.
Salt from the desert was a reliable and profitable resource traded.
Savannas were used to grow crops and the excess from the crops were traded.