Can someone explain please I don’t understandRapids and waterfalls on the Congo river and its tributaries represent vast POTENTIAL for hydroelectric power. A. landscape
B. Resources
C. Application
D. Opportunity

The idea of using the second largest river on earth—Africa’s Congo—for electricity production has existed for over 100 years. Plans first proposed in 1928 were more fully explored during the European (and colonial) post-World War II industrial expansion. The idea of diverting the entire Lower Congo through electricity generators, Grand Inga was embraced by Apartheid South Africa, the Arab Republic of Egypt, and nations of post-Apartheid southern Africa. In the twenty-first century, as Europe seeks to mitigate carbon emissions, non-carbon producing electricity generation is defined as ‘green’ and ‘renewable’. The Inga Falls on the Lower Congo River are again attracting attention. This perception of Grand Inga as a saviour of European economies is not new. For centuries, Europeans have viewed Africa as a source of raw materials for economic expansion. With the advent of electrical power and its generation by flowing water, African rivers entered the domain of European extractive relations. Moreover, the trivialization of potential environmental harm that hydro-power development could cause is not new. Rivers across the continent have been dammed in the name of ‘development’, benefiting elites and international corporations with scant regard for environmental consequences.Explanation:

A.Landscape { I think }

Explanation:

union blockade

explanation:

the union blockade in the american civil war was a naval strategy by the united states to prevent the confederacy from trading.

the blockade was proclaimed by president abraham lincoln in april 1861, and required the monitoring of 3,500 miles (5,600 km) of atlantic and gulf coastline, including 12 major ports, notably new orleans and mobile. those blockade runners fast enough to evade the union navy could only carry a small fraction of the supplies needed. they were operated largely by british citizens, making use of neutral ports such as havana, nassau and bermuda. the union commissioned around 500 ships, which destroyed or captured about 1,500 blockade runners over the course of the war.

i believe your answer is d)