Answer:
b. FLU
Explanation:
it was a tragic pandemic, but yes it did happen in 1918-1919. the plague happened in 1346-1352. Aids were in 1981. so there for making influenza the correct one.
Submarines, posion gas,warplanes and tanks.
The economy of Ecuador<span> is based mostly on exports of oil, bananas, shrimp, gold, other primary agricultural products and money transfers from nearly a million Ecuadorian emigrants employed abroad. In 2002, oil accounted for about one-third of public-sector revenue and 40% of export earnings. I hope this helps! C: If not, Let me know sorry
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Because, In The Rivers Of Africa There Are Lots Of Dangerous Animals Such As, The Alligator, Crocodile, Lions, Rhinos, Snakes, Venomous Bugs And A Lot Of Dangerous Species. Also They Didn't Have Cargo Boats Like We Do In The U.S.A.