The arrival of Spanish explorers led to the death of many Incas diagram describes a cause-and-effect relationship between some of the events on the timeline. Thus option B is correct.
What are a cause and an effect?
A cause-and-effect relationship is one in which at minimum one action precedes or is caused by another. There will be some changes that will be happening because of some things.
The Entire population perished from smallpox in a few years, and generally have large of European diseases further weakened them. A small number of researchers contend that a condition known as bartonellosis could have been the cause of numerous epidemics.
This viewpoint is unpopular among academics. Smallpox was really the cause of the deaths among many Incas before the coming of Spanish explorers.
Therefore, option B is the correct option.
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