I believe the answer is D. WWI was the first "total war," in which all of the people in all of the involved countries participated and were impacted.
Answer:
Wrong Really Bad
Explanation: hey you said you wanted my opinion
Explorer Vasco da Gama was born in Sines, Portugal, around 1460. In 1497, he was commissioned by the Portuguese<span> king to find a maritime route to the East. His success in doing so proved to be one of the more instrumental moments in the history of navigation.</span>