The answer is, estuvieron
:)
They differ, because Spanish is classified as Español from Spain. Latin is classified as castellano from South America.
Answer:
Ser is used in a simple way, to talk about WHAT something is (permanent state). .
Known mainly for the insect that transmits it, the tsetse fly, it is endemic in some areas of sub-Saharan Africa and, in total, affects 36 countries. "The direct or indirect [...] effects of climate on the distribution of the tsé-tsé fly -which is usually found in the vegetation around rivers and lakes, in forests and in the savannah10 play an important role in the expansion of the fatal disease ", explain the authors of the work.
