Most of the biowarfare research using viruses which causes Aids and Ebola was predominantly carried out in Germany and Japan until 1945 and since then mainly in the USA and France, using Nazi and Japanese (military) scientific war criminals. The Revealing Voices of Aids/HIV Theory Dissidents.
copula - an equating verb (such as `be' or `become') that links the subject with the complement of a sentence. copulative, linking verb. verb - a content word that denotes an action, occurrence, or state of existence.
In linguistics, a copula (plural: copulas or copulae; abbreviated cop) is a word used to link the subject of a sentence with a predicate (a subject complement), such as the word is in the sentence The sky is blue.. The word copula derives from the Latin noun for a link or tie that connects two different things.