+0
Which one of the following is correct please:

There was several disconnections between our headquarter and our branches in the Africa and north America.

There were several disconnections between our headquarter and our branches in the Africa and north America.
+3
Note the first correction pointed out that it should be North America, the second showed the correct "headquarters," and both deleted "the" before Africa.

You need to look at both to see the full sentence: There were... headquarters... in Africa and North America.
+0
Neither.Try,
There were several disconnections between our headquarters and our branches in the Africa and north America.
[Cross-posted with tamguatlay Emotion: smile]
Site Hint: Check out our list of pronunciation videos.
Comments  

There were several disconnections between our headquarter and our branches in the Africa and North America.
 teechr's reply was promoted to an answer.
 BarbaraPA's reply was promoted to an answer.
Teachers: We supply a list of EFL job vacancies
samerrustom: WAS or WERE with Several
It's always

There were several ........

CJ