Okay, some of these Questions are not asked all that frequently - but - perhaps they should be... to ask a new question ›contact me
Visitor - did you not ask me this question before ?
If so, please try to remember this:
The stream of world events (History) is propelled by three main factors, in no particular order:
Consider those factors together, as they greatly influence one another.
Other, commonly mentioned factors, such as Politics, for example, are more of a consequence than the cause of events.