Answer: Disjunctive
Explanation: A disjunctive concept is one characterized by either one of several concepts. Disjunctive concept is characterized based on the possession of at least one of any set of attribute characterizing a particular activity or action. For an event to occur, it should posses a certain feature or another in a given set of features required for such event to take place.
In the scenario above, once either one of the two events(1 and 2) occurs, then we have a 'strike'.
It affected where they settled in terms of trade and water sources, such as rivers.
Just stay determined and don't give up! Hope this helps!
