It’s number 3. It’s a divergent
<span>All were actions taken by the USA</span>
The main reason the Spanish wanted to colonize the Americas was to extract as many riches (primarily gold and silver) from the area as possible, since they would bring things back to Spain in order to enrich their empire.
<span>Generate and provide hydroelectric power in the valley
</span><span>Manufacture nitrates and phosphorus for creating fertilizer.
I believe those are the only two.
The project detailed the construction of waterways and electricity for planes and building structures. Farmers were also taught a new way of creating fertilizer</span>
The yellow fever mosquito, Aedes aegypti<span> (Linnaeus)
This has been a nuisance species in the United States for centuries. Originating in Africa, it was most likely brought to the new world on ships used for European exploration and colonization (Nelson 1986). As the common name suggests, </span>Aedes aegypti<span> is the primary vector of yellow fever, a disease that is prevalent in tropical South America and Africa, and often emerges in temperate regions during summer months. During the Spanish-American War, U.S. troops suffered more casualties from yellow fever transmitted by </span>Aedes aegypti<span> than from enemy fire (Tabachnick 1991).</span>