The best and most correct answer among the choices provided by the question is the third choice "natural monopolies"
Natural monopolies<span> arise where the largest supplier in an industry, often the first supplier in a market, has an overwhelming cost advantage over other actual or potential competitors; this tends to be the case in industries where fixed costs predominate.</span>
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Nautrual resources is a good response
Enslaved Africans resisted, or rebelled, against their position as slaves in many different ways. Each expression of resistance by enslaved individuals or groups counted as acts of rebellion against the system of slavery. The many instances of resistance show that slaves were not passive victims of slavery. Instead they proved their strength and determination in fighting for their freedom. In particular, enslaved Africans on the Caribbean plantations rebelled against their owners in many different ways.
Link to: This can be read about further in Black Resistance.
