What factors affect the solar energy earth recieves

Latitudes, cloud cover, seasons and water vapor.

Explanation:

1) Latitude- The latitude plays an important role in controlling the incoming solar radiation.
2) Clouds- Clouds acts as albedo as it has the property to reflect solar light back into the atmosphere, thereby keeping the surface comparatively cooler

It is useful for historians to write narratives so that history can be passed on from their point of view.  think about a story being told in third person, then think about it again being told in first person, by someone who actually experienced the event.